57166352244 has 18 divisors (see below), whose sum is σ = 144503834930. Its totient is φ = 19055450736.

The previous prime is 57166352203. The next prime is 57166352263. The reversal of 57166352244 is 44225366175.

57166352244 is a `hidden beast` number, since 5 + 7 + 1 + 6 + 635 + 2 + 2 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31265312400 + 25901039844 = 176820^2 + 160938^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 57166352244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 793977079 + ... + 793977150.

Almost surely, 2^57166352244 is an apocalyptic number.

It is an amenable number.

57166352244 is an abundant number, since it is smaller than the sum of its proper divisors (87337482686).

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

57166352244 is a wasteful number, since it uses less digits than its factorization.

57166352244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587954239 (or 1587954234 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 57166352244 in words is "fifty-seven billion, one hundred sixty-six million, three hundred fifty-two thousand, two hundred forty-four".