FORM 5 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Form 3 Holdings Reported Form 4 Transactions Reported

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * APARTMENT INVESTMENT & MANAGEMENT CO 2. Issuer Name and Ticker or Trading Symbol NATIONAL PROPERTY INVESTORS 6 [NONE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 4582 SOUTH ULSTER STREET PARKWAY, SUITE 1100 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year) 12/31/2004 (Street) DENVER, CO 80237 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Reporting (check applicable line) _X_ Form Filed by One Reporting Person ___ Form Filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Amount (A) or (D) Price Limited Partnership Units 08/17/2004 08/17/2004 P5 100 (1) (2) A $ 45.83 75,205 (3) I See Footnote Below (4) Limited Partnership Units 09/07/2004 09/07/2004 P5 20 (1) (2) A $ 45.83 75,205 (3) I See Footnote Below (4)

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SEC 2270 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
APARTMENT INVESTMENT & MANAGEMENT CO 4582 SOUTH ULSTER STREET PARKWAY SUITE 1100 DENVER, CO 80237	Â	  X	Â	Â

Signatures

/s/ Derek McCandless Assistant Secretary Apartment Investment and Management Company		01/20/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	These Limited Partnership Units ("Units") were directly purchased by AIMCO Properties, L.P. ("AIMCO Properties").
(2)	The acquisition of these Limited Partnership Units was inadvertently not filed in a timely basis on a Form 4 and is therefore being shown on this Form 5 and is included in the amount of securities beneficially owned.
(3)	Consists of 27,172 Units held by AIMCO Properties; and 48,033 Units held by AIMCO IPLP, L.P. ("IPLP").
(4)	AIMCO Properties is a joint filer with AIMCO-GP, Inc. ("AIMCO-GP") and Apartment Investment and Management Company ("AIMCO") for purposes of Section 13(d) reporting of the Exchange Act. AIMCO-GP is the sole general partner of AIMCO Properties and a wholly-owned subsidiary of AIMCO. IPLP is a joint filer with AIMCO/IPT, Inc. ("AIMCO/IPT") and AIMCO for purposes of Section 13(d) reporting of the Exchange Act. AIMCO/IPT is the sole general partner of IPLP and a wholly-owned subsidiary of AIMCO.

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