57158168 has 16 divisors (see below), whose sum is σ = 109194480. Its totient is φ = 28039648.

The previous prime is 57158161. The next prime is 57158177. The reversal of 57158168 is 86185175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57158161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66980 + ... + 67827.

It is an arithmetic number, because the mean of its divisors is an integer number (6824655).

Almost surely, 2^57158168 is an apocalyptic number.

It is an amenable number.

57158168 is a deficient number, since it is larger than the sum of its proper divisors (52036312).

57158168 is a wasteful number, since it uses less digits than its factorization.

57158168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134866 (or 134862 counting only the distinct ones).

The product of its digits is 67200, while the sum is 41.

The square root of 57158168 is about 7560.3021103657. The cubic root of 57158168 is about 385.2057549766.

The spelling of 57158168 in words is "fifty-seven million, one hundred fifty-eight thousand, one hundred sixty-eight".