16550015056 has 40 divisors (see below), whose sum is σ = 35220870720. Its totient is φ = 7498630656.

The previous prime is 16550015039. The next prime is 16550015057. The reversal of 16550015056 is 65051005561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16550015057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176505 + ... + 1190488.

It is an arithmetic number, because the mean of its divisors is an integer number (880521768).

Almost surely, 2^16550015056 is an apocalyptic number.

16550015056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16550015056 is an abundant number, since it is smaller than the sum of its proper divisors (18670855664).

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

16550015056 is a wasteful number, since it uses less digits than its factorization.

16550015056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367043 (or 2367037 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 16550015056 in words is "sixteen billion, five hundred fifty million, fifteen thousand, fifty-six".