51166065255156 has 72 divisors (see below), whose sum is σ = 135408324149280. Its totient is φ = 16268838890304.

The previous prime is 51166065255133. The next prime is 51166065255169. The reversal of 51166065255156 is 65155256066115.

51166065255156 is a `hidden beast` number, since 5 + 1 + 1 + 6 + 60 + 6 + 525 + 5 + 1 + 56 = 666.

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, 295152150 + ... + 295325453.

It is an arithmetic number, because the mean of its divisors is an integer number (1880671168740).

Almost surely, 2^{51166065255156} is an apocalyptic number.

It is an amenable number.

51166065255156 is an abundant number, since it is smaller than the sum of its proper divisors (84242258894124).

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

51166065255156 is a wasteful number, since it uses less digits than its factorization.

51166065255156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590477725 (or 590477720 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 54.

The spelling of 51166065255156 in words is "fifty-one trillion, one hundred sixty-six billion, sixty-five million, two hundred fifty-five thousand, one hundred fifty-six".