16550638704 has 60 divisors (see below), whose sum is σ = 46364579352. Its totient is φ = 5511427200.

The previous prime is 16550638697. The next prime is 16550638721. The reversal of 16550638704 is 40783605561.

16550638704 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 0 + 638 + 7 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16550638704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90739 + ... + 203309.

Almost surely, 2^16550638704 is an apocalyptic number.

It is an amenable number.

16550638704 is an abundant number, since it is smaller than the sum of its proper divisors (29813940648).

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

16550638704 is a wasteful number, since it uses less digits than its factorization.

16550638704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113606 (or 113597 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 16550638704 in words is "sixteen billion, five hundred fifty million, six hundred thirty-eight thousand, seven hundred four".