57168198 has 48 divisors (see below), whose sum is σ = 126868560. Its totient is φ = 18600192.

The previous prime is 57168187. The next prime is 57168203. The reversal of 57168198 is 89186175.

57168198 is a `hidden beast` number, since 571 + 68 + 19 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182490 + ... + 182802.

It is an arithmetic number, because the mean of its divisors is an integer number (2643095).

Almost surely, 2^57168198 is an apocalyptic number.

57168198 is an abundant number, since it is smaller than the sum of its proper divisors (69700362).

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

57168198 is a wasteful number, since it uses less digits than its factorization.

57168198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 530 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 57168198 is about 7560.9654145486. The cubic root of 57168198 is about 385.2282853684.

The spelling of 57168198 in words is "fifty-seven million, one hundred sixty-eight thousand, one hundred ninety-eight".