57718660668 has 24 divisors (see below), whose sum is σ = 135420951120. Its totient is φ = 19133256960.

The previous prime is 57718660663. The next prime is 57718660709. The reversal of 57718660668 is 86606681775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57718660663) by changing a digit.

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, 13284813 + ... + 13289156.

It is an arithmetic number, because the mean of its divisors is an integer number (5642539630).

Almost surely, 2^57718660668 is an apocalyptic number.

It is an amenable number.

57718660668 is an abundant number, since it is smaller than the sum of its proper divisors (77702290452).

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

57718660668 is a wasteful number, since it uses less digits than its factorization.

57718660668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26574157 (or 26574155 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 57718660668 in words is "fifty-seven billion, seven hundred eighteen million, six hundred sixty thousand, six hundred sixty-eight".