16525025688 has 64 divisors (see below), whose sum is σ = 42757308000. Its totient is φ = 5315889152.

The previous prime is 16525025639. The next prime is 16525025701. The reversal of 16525025688 is 88652052561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1970368 + ... + 1978736.

Almost surely, 2^16525025688 is an apocalyptic number.

It is an amenable number.

16525025688 is an abundant number, since it is smaller than the sum of its proper divisors (26232282312).

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

16525025688 is a wasteful number, since it uses less digits than its factorization.

16525025688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244 (or 11240 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 16525025688 in words is "sixteen billion, five hundred twenty-five million, twenty-five thousand, six hundred eighty-eight".