16500525204 has 12 divisors (see below), whose sum is σ = 38501225504. Its totient is φ = 5500175064.

The previous prime is 16500525199. The next prime is 16500525277. The reversal of 16500525204 is 40252500561.

It is a tau number, because it is divible by the number of its divisors (12).

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, 687521872 + ... + 687521895.

Almost surely, 2^16500525204 is an apocalyptic number.

It is an amenable number.

16500525204 is an abundant number, since it is smaller than the sum of its proper divisors (22000700300).

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

16500525204 is a wasteful number, since it uses less digits than its factorization.

16500525204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375043774 (or 1375043772 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 16500525204 in words is "sixteen billion, five hundred million, five hundred twenty-five thousand, two hundred four".