669165132 has 48 divisors (see below), whose sum is σ = 1646088192. Its totient is φ = 211261440.

The previous prime is 669165083. The next prime is 669165139. The reversal of 669165132 is 231561966.

669165132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (669165139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1653 + ... + 36620.

It is an arithmetic number, because the mean of its divisors is an integer number (34293504).

Almost surely, 2^669165132 is an apocalyptic number.

669165132 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

669165132 is an abundant number, since it is smaller than the sum of its proper divisors (976923060).

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

669165132 is a wasteful number, since it uses less digits than its factorization.

669165132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38358 (or 38356 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 669165132 is about 25868.2263017780. The cubic root of 669165132 is about 874.6704095270.

The spelling of 669165132 in words is "six hundred sixty-nine million, one hundred sixty-five thousand, one hundred thirty-two".