11656656166488 has 32 divisors (see below), whose sum is σ = 29469074583600. Its totient is φ = 3841894166528.

The previous prime is 11656656166457. The next prime is 11656656166499. The reversal of 11656656166488 is 88466165665611.

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, 2728615881 + ... + 2728620152.

Almost surely, 2^{11656656166488} is an apocalyptic number.

It is an amenable number.

11656656166488 is an abundant number, since it is smaller than the sum of its proper divisors (17812418417112).

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

11656656166488 is a wasteful number, since it uses less digits than its factorization.

11656656166488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457236131 (or 5457236127 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 69.

The spelling of 11656656166488 in words is "eleven trillion, six hundred fifty-six billion, six hundred fifty-six million, one hundred sixty-six thousand, four hundred eighty-eight".