51164916592 has 20 divisors (see below), whose sum is σ = 104963322096. Its totient is φ = 24077607680.

The previous prime is 51164916587. The next prime is 51164916623. The reversal of 51164916592 is 29561946115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94052884 + ... + 94053427.

Almost surely, 2^51164916592 is an apocalyptic number.

It is an amenable number.

51164916592 is an abundant number, since it is smaller than the sum of its proper divisors (53798405504).

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

51164916592 is a wasteful number, since it uses less digits than its factorization.

51164916592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188106336 (or 188106330 counting only the distinct ones).

The product of its digits is 583200, while the sum is 49.

The spelling of 51164916592 in words is "fifty-one billion, one hundred sixty-four million, nine hundred sixteen thousand, five hundred ninety-two".