16655560056 has 48 divisors (see below), whose sum is σ = 47482960200. Its totient is φ = 5259650112.

The previous prime is 16655560049. The next prime is 16655560073. The reversal of 16655560056 is 65006555661.

It is a junction number, because it is equal to n+sod(n) for n = 16655559993 and 16655560020.

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, 6086191 + ... + 6088926.

Almost surely, 2^16655560056 is an apocalyptic number.

It is an amenable number.

16655560056 is an abundant number, since it is smaller than the sum of its proper divisors (30827400144).

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

16655560056 is a wasteful number, since it uses less digits than its factorization.

16655560056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175148 (or 12175141 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 16655560056 in words is "sixteen billion, six hundred fifty-five million, five hundred sixty thousand, fifty-six".