165552604 has 12 divisors (see below), whose sum is σ = 331105264. Its totient is φ = 70951104.

The previous prime is 165552601. The next prime is 165552641. The reversal of 165552604 is 406255561.

165552604 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 165552604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165552601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2956269 + ... + 2956324.

Almost surely, 2^165552604 is an apocalyptic number.

165552604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

165552604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165552604 is a wasteful number, since it uses less digits than its factorization.

165552604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912604 (or 5912602 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 165552604 is about 12866.7246803528. The cubic root of 165552604 is about 549.0922812396.

The spelling of 165552604 in words is "one hundred sixty-five million, five hundred fifty-two thousand, six hundred four".