57122133660 has 96 divisors (see below), whose sum is σ = 179112837120. Its totient is φ = 15112609344.

The previous prime is 57122133647. The next prime is 57122133727. The reversal of 57122133660 is 6633122175.

57122133660 is a `hidden beast` number, since 5 + 71 + 221 + 3 + 366 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347884 + ... + 485043.

It is an arithmetic number, because the mean of its divisors is an integer number (1865758720).

Almost surely, 2^57122133660 is an apocalyptic number.

It is an amenable number.

57122133660 is an abundant number, since it is smaller than the sum of its proper divisors (121990703460).

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

57122133660 is a wasteful number, since it uses less digits than its factorization.

57122133660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833072 (or 833064 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 57122133660 in words is "fifty-seven billion, one hundred twenty-two million, one hundred thirty-three thousand, six hundred sixty".