10656610155666 has 48 divisors (see below), whose sum is σ = 23219133537600. Its totient is φ = 3532278564000.

The previous prime is 10656610155563. The next prime is 10656610155671. The reversal of 10656610155666 is 66655101665601.

It is a super-2 number, since 2×10656610155666² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 845635 + ... + 4693433.

It is an arithmetic number, because the mean of its divisors is an integer number (483731948700).

Almost surely, 2^{10656610155666} is an apocalyptic number.

10656610155666 is an abundant number, since it is smaller than the sum of its proper divisors (12562523381934).

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

10656610155666 is a wasteful number, since it uses less digits than its factorization.

10656610155666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848671 (or 3848668 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 10656610155666 in words is "ten trillion, six hundred fifty-six billion, six hundred ten million, one hundred fifty-five thousand, six hundred sixty-six".