57166072 has 8 divisors (see below), whose sum is σ = 107186400. Its totient is φ = 28583032.

The previous prime is 57166069. The next prime is 57166093. The reversal of 57166072 is 27066175.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572872 + ... + 3572887.

It is an arithmetic number, because the mean of its divisors is an integer number (13398300).

Almost surely, 2^57166072 is an apocalyptic number.

It is an amenable number.

57166072 is a deficient number, since it is larger than the sum of its proper divisors (50020328).

57166072 is a wasteful number, since it uses less digits than its factorization.

57166072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145765 (or 7145761 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 57166072 is about 7560.8248227293. The cubic root of 57166072 is about 385.2235099541.

The spelling of 57166072 in words is "fifty-seven million, one hundred sixty-six thousand, seventy-two".