57157158268 has 24 divisors (see below), whose sum is σ = 118256191200. Its totient is φ = 23651237568.

The previous prime is 57157158259. The next prime is 57157158287. The reversal of 57157158268 is 86285175175.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35194483 + ... + 35196106.

It is an arithmetic number, because the mean of its divisors is an integer number (4927341300).

Almost surely, 2^57157158268 is an apocalyptic number.

57157158268 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

57157158268 is an abundant number, since it is smaller than the sum of its proper divisors (61099032932).

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

57157158268 is a wasteful number, since it uses less digits than its factorization.

57157158268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70390629 (or 70390627 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 55.

The spelling of 57157158268 in words is "fifty-seven billion, one hundred fifty-seven million, one hundred fifty-eight thousand, two hundred sixty-eight".