57107065668 has 48 divisors (see below), whose sum is σ = 133561451520. Its totient is φ = 18991219104.

The previous prime is 57107065663. The next prime is 57107065709. The reversal of 57107065668 is 86656070175.

57107065668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57107065668² (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 57107065668.

It is not an unprimeable number, because it can be changed into a prime (57107065663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19779321 + ... + 19782207.

It is an arithmetic number, because the mean of its divisors is an integer number (2782530240).

Almost surely, 2^57107065668 is an apocalyptic number.

It is an amenable number.

57107065668 is an abundant number, since it is smaller than the sum of its proper divisors (76454385852).

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

57107065668 is a wasteful number, since it uses less digits than its factorization.

57107065668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6176 (or 6174 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 57107065668 in words is "fifty-seven billion, one hundred seven million, sixty-five thousand, six hundred sixty-eight".