15998702632 has 16 divisors (see below), whose sum is σ = 32724619200. Its totient is φ = 7272137520.

The previous prime is 15998702627. The next prime is 15998702651. The reversal of 15998702632 is 23620789951.

It is a self number, because there is not a number n which added to its sum of digits gives 15998702632.

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, 90901632 + ... + 90901807.

It is an arithmetic number, because the mean of its divisors is an integer number (2045288700).

Almost surely, 2^15998702632 is an apocalyptic number.

It is an amenable number.

15998702632 is an abundant number, since it is smaller than the sum of its proper divisors (16725916568).

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

15998702632 is a wasteful number, since it uses less digits than its factorization.

15998702632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181803456 (or 181803452 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 15998702632 in words is "fifteen billion, nine hundred ninety-eight million, seven hundred two thousand, six hundred thirty-two".