51307633160928 has 216 divisors, whose sum is σ = 159692845574808. Its totient is φ = 16202409585408.

The previous prime is 51307633160899. The next prime is 51307633160951. The reversal of 51307633160928 is 82906133670315.

51307633160928 is a `hidden beast` number, since 5 + 1 + 3 + 0 + 7 + 6 + 3 + 3 + 1 + 609 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6331651 + ... + 11945922.

It is an arithmetic number, because the mean of its divisors is an integer number (739318729513).

Almost surely, 2^{51307633160928} is an apocalyptic number.

It is an amenable number.

51307633160928 is an abundant number, since it is smaller than the sum of its proper divisors (108385212413880).

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

51307633160928 is a wasteful number, since it uses less digits than its factorization.

51307633160928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18277636 (or 18277597 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 51307633160928 in words is "fifty-one trillion, three hundred seven billion, six hundred thirty-three million, one hundred sixty thousand, nine hundred twenty-eight".