11656166566014 has 48 divisors (see below), whose sum is σ = 25394387466240. Its totient is φ = 3864007858320.

The previous prime is 11656166566001. The next prime is 11656166566181. The reversal of 11656166566014 is 41066566165611.

11656166566014 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 6 + 1 + 66 + 566 + 0 + 14 = 666.

It is a Curzon number.

It is a congruent 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, 85942 + ... + 4829049.

It is an arithmetic number, because the mean of its divisors is an integer number (529049738880).

Almost surely, 2^{11656166566014} is an apocalyptic number.

11656166566014 is an abundant number, since it is smaller than the sum of its proper divisors (13738220900226).

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

11656166566014 is a wasteful number, since it uses less digits than its factorization.

11656166566014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915725 (or 4915722 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 11656166566014 in words is "eleven trillion, six hundred fifty-six billion, one hundred sixty-six million, five hundred sixty-six thousand, fourteen".