51262625324664 has 96 divisors (see below), whose sum is σ = 149585441831280. Its totient is φ = 15765788754432.

The previous prime is 51262625324611. The next prime is 51262625324681. The reversal of 51262625324664 is 46642352626215.

51262625324664 is a `hidden beast` number, since 5 + 1 + 2 + 6 + 2 + 6 + 2 + 532 + 46 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 51262625324664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10703734 + ... + 14734149.

Almost surely, 2^{51262625324664} is an apocalyptic number.

It is an amenable number.

51262625324664 is an abundant number, since it is smaller than the sum of its proper divisors (98322816506616).

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

51262625324664 is a wasteful number, since it uses less digits than its factorization.

51262625324664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25440061 (or 25440054 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 54.

The spelling of 51262625324664 in words is "fifty-one trillion, two hundred sixty-two billion, six hundred twenty-five million, three hundred twenty-four thousand, six hundred sixty-four".