16625164056 has 32 divisors (see below), whose sum is σ = 41589460800. Its totient is φ = 5538181280.

The previous prime is 16625164043. The next prime is 16625164057. The reversal of 16625164056 is 65046152661.

It is a super-2 number, since 2×16625164056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16625163999 and 16625164017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16625164057) 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, 182766 + ... + 258173.

It is an arithmetic number, because the mean of its divisors is an integer number (1299670650).

Almost surely, 2^16625164056 is an apocalyptic number.

It is an amenable number.

16625164056 is an abundant number, since it is smaller than the sum of its proper divisors (24964296744).

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

16625164056 is a wasteful number, since it uses less digits than its factorization.

16625164056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442519 (or 442515 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 16625164056 in words is "sixteen billion, six hundred twenty-five million, one hundred sixty-four thousand, fifty-six".