165157472304 has 120 divisors (see below), whose sum is σ = 509896717200. Its totient is φ = 49485342720.

The previous prime is 165157472281. The next prime is 165157472321. The reversal of 165157472304 is 403274751561.

165157472304 is a `hidden beast` number, since 1 + 6 + 5 + 1 + 574 + 72 + 3 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 165157472304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 444789 + ... + 726740.

It is an arithmetic number, because the mean of its divisors is an integer number (4249139310).

Almost surely, 2^165157472304 is an apocalyptic number.

It is an amenable number.

165157472304 is an abundant number, since it is smaller than the sum of its proper divisors (344739244896).

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

165157472304 is a wasteful number, since it uses less digits than its factorization.

165157472304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171643 (or 1171634 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 165157472304 in words is "one hundred sixty-five billion, one hundred fifty-seven million, four hundred seventy-two thousand, three hundred four".