10516665656 has 32 divisors (see below), whose sum is σ = 22549463040. Its totient is φ = 4504392288.

The previous prime is 10516665641. The next prime is 10516665667. The reversal of 10516665656 is 65656661501.

It is a super-2 number, since 2×10516665656² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10516665656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36665 + ... + 149591.

It is an arithmetic number, because the mean of its divisors is an integer number (704670720).

Almost surely, 2^10516665656 is an apocalyptic number.

It is an amenable number.

10516665656 is an abundant number, since it is smaller than the sum of its proper divisors (12032797384).

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

10516665656 is a wasteful number, since it uses less digits than its factorization.

10516665656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114603 (or 114599 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 10516665656 in words is "ten billion, five hundred sixteen million, six hundred sixty-five thousand, six hundred fifty-six".