10556166615516 has 60 divisors (see below), whose sum is σ = 28795726665552. Its totient is φ = 3365734280832.

The previous prime is 10556166615509. The next prime is 10556166615557. The reversal of 10556166615516 is 61551666165501.

It is a super-2 number, since 2×10556166615516² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 708269965 + ... + 708284868.

Almost surely, 2^{10556166615516} is an apocalyptic number.

It is an amenable number.

10556166615516 is an abundant number, since it is smaller than the sum of its proper divisors (18239560050036).

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

10556166615516 is a wasteful number, since it uses less digits than its factorization.

10556166615516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416554872 (or 1416554861 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 54.

The spelling of 10556166615516 in words is "ten trillion, five hundred fifty-six billion, one hundred sixty-six million, six hundred fifteen thousand, five hundred sixteen".