152521664 has 28 divisors (see below), whose sum is σ = 318592200. Its totient is φ = 72246528.

The previous prime is 152521657. The next prime is 152521673. The reversal of 152521664 is 466125251.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 152521664.

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, 61499 + ... + 63930.

Almost surely, 2^152521664 is an apocalyptic number.

It is an amenable number.

152521664 is an abundant number, since it is smaller than the sum of its proper divisors (166070536).

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

152521664 is a wasteful number, since it uses less digits than its factorization.

152521664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125460 (or 125450 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 152521664 is about 12349.9661537998. The cubic root of 152521664 is about 534.2901629236.

The spelling of 152521664 in words is "one hundred fifty-two million, five hundred twenty-one thousand, six hundred sixty-four".