669152 has 24 divisors (see below), whose sum is σ = 1437912. Its totient is φ = 304000.

The previous prime is 669133. The next prime is 669167. The reversal of 669152 is 251966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599 + ... + 1302.

It is an arithmetic number, because the mean of its divisors is an integer number (59913).

2⁶⁶⁹¹⁵² is an apocalyptic number.

It is an amenable number.

669152 is an abundant number, since it is smaller than the sum of its proper divisors (768760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

669152 is a wasteful number, since it uses less digits than its factorization.

669152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 1914 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 669152 is about 818.0171147354. The cubic root of 669152 is about 87.4664687847.

The spelling of 669152 in words is "six hundred sixty-nine thousand, one hundred fifty-two".