51295330394168 has 96 divisors (see below), whose sum is σ = 118038167280000. Its totient is φ = 20779232999616.

The previous prime is 51295330394117. The next prime is 51295330394197. The reversal of 51295330394168 is 86149303359215.

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, 4574438 + ... + 11113781.

It is an arithmetic number, because the mean of its divisors is an integer number (1229564242500).

Almost surely, 2^{51295330394168} is an apocalyptic number.

It is an amenable number.

51295330394168 is an abundant number, since it is smaller than the sum of its proper divisors (66742836885832).

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

51295330394168 is a wasteful number, since it uses less digits than its factorization.

51295330394168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15688697 (or 15688686 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 59.

The spelling of 51295330394168 in words is "fifty-one trillion, two hundred ninety-five billion, three hundred thirty million, three hundred ninety-four thousand, one hundred sixty-eight".