57187563668 has 12 divisors (see below), whose sum is σ = 105345512160. Its totient is φ = 27088845912.

The previous prime is 57187563647. The next prime is 57187563677. The reversal of 57187563668 is 86636578175.

It is a super-2 number, since 2×57187563668² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57187563668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376233896 + ... + 376234047.

It is an arithmetic number, because the mean of its divisors is an integer number (8778792680).

Almost surely, 2^57187563668 is an apocalyptic number.

It is an amenable number.

57187563668 is a deficient number, since it is larger than the sum of its proper divisors (48157948492).

57187563668 is a wasteful number, since it uses less digits than its factorization.

57187563668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752467966 (or 752467964 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 62.

The spelling of 57187563668 in words is "fifty-seven billion, one hundred eighty-seven million, five hundred sixty-three thousand, six hundred sixty-eight".