63457845711656 has 64 divisors (see below), whose sum is σ = 140114093155200. Its totient is φ = 26638975686400.

The previous prime is 63457845711629. The next prime is 63457845711683. The reversal of 63457845711656 is 65611754875436.

It is an interprime number because it is at equal distance from previous prime (63457845711629) and next prime (63457845711683).

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, 540504935 + ... + 540622326.

It is an arithmetic number, because the mean of its divisors is an integer number (2189282705550).

Almost surely, 2^{63457845711656} is an apocalyptic number.

It is an amenable number.

63457845711656 is an abundant number, since it is smaller than the sum of its proper divisors (76656247443544).

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

63457845711656 is a wasteful number, since it uses less digits than its factorization.

63457845711656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081127330 (or 1081127326 counting only the distinct ones).

The product of its digits is 508032000, while the sum is 68.

The spelling of 63457845711656 in words is "sixty-three trillion, four hundred fifty-seven billion, eight hundred forty-five million, seven hundred eleven thousand, six hundred fifty-six".