16204560056 has 8 divisors (see below), whose sum is σ = 30383550120. Its totient is φ = 8102280024.

The previous prime is 16204560041. The next prime is 16204560079. The reversal of 16204560056 is 65006540261.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 16204559998 and 16204560025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012784996 + ... + 1012785011.

It is an arithmetic number, because the mean of its divisors is an integer number (3797943765).

Almost surely, 2^16204560056 is an apocalyptic number.

It is an amenable number.

16204560056 is a deficient number, since it is larger than the sum of its proper divisors (14178990064).

16204560056 is a wasteful number, since it uses less digits than its factorization.

16204560056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025570013 (or 2025570009 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 16204560056 in words is "sixteen billion, two hundred four million, five hundred sixty thousand, fifty-six".