57716466128780 has 48 divisors (see below), whose sum is σ = 127586792602080. Its totient is φ = 21870984319488.

The previous prime is 57716466128701. The next prime is 57716466128819. The reversal of 57716466128780 is 8782166461775.

It is a self number, because there is not a number n which added to its sum of digits gives 57716466128780.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14437784 + ... + 17996736.

It is an arithmetic number, because the mean of its divisors is an integer number (2658058179210).

Almost surely, 2^{57716466128780} is an apocalyptic number.

It is an amenable number.

57716466128780 is an abundant number, since it is smaller than the sum of its proper divisors (69870326473300).

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

57716466128780 is a wasteful number, since it uses less digits than its factorization.

57716466128780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601658 (or 3601656 counting only the distinct ones).

The product of its (nonzero) digits is 189665280, while the sum is 68.

The spelling of 57716466128780 in words is "fifty-seven trillion, seven hundred sixteen billion, four hundred sixty-six million, one hundred twenty-eight thousand, seven hundred eighty".