57130161 has 16 divisors (see below), whose sum is σ = 83229120. Its totient is φ = 34569920.

The previous prime is 57130153. The next prime is 57130181. The reversal of 57130161 is 16103175.

It is not a de Polignac number, because 57130161 - 2³ = 57130153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57130181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32575 + ... + 34283.

It is an arithmetic number, because the mean of its divisors is an integer number (5201820).

It is a Poulet number, since it divides 2^57130160-1.

Almost surely, 2^57130161 is an apocalyptic number.

It is an amenable number.

57130161 is a deficient number, since it is larger than the sum of its proper divisors (26098959).

57130161 is a wasteful number, since it uses less digits than its factorization.

57130161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 57130161 is about 7558.4496426185. The cubic root of 57130161 is about 385.1428288862.

It can be divided in two parts, 57130 and 161, that added together give a triangular number (57291 = T₃₃₈).

The spelling of 57130161 in words is "fifty-seven million, one hundred thirty thousand, one hundred sixty-one".