57166730844 has 12 divisors (see below), whose sum is σ = 133389038664. Its totient is φ = 19055576944.

The previous prime is 57166730801. The next prime is 57166730857. The reversal of 57166730844 is 44803766175.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2381947107 + ... + 2381947130.

It is an arithmetic number, because the mean of its divisors is an integer number (11115753222).

Almost surely, 2^57166730844 is an apocalyptic number.

It is an amenable number.

57166730844 is an abundant number, since it is smaller than the sum of its proper divisors (76222307820).

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

57166730844 is a wasteful number, since it uses less digits than its factorization.

57166730844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4763894244 (or 4763894242 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 57166730844 in words is "fifty-seven billion, one hundred sixty-six million, seven hundred thirty thousand, eight hundred forty-four".