51705092168 has 16 divisors (see below), whose sum is σ = 99009751680. Its totient is φ = 25302491728.

The previous prime is 51705092149. The next prime is 51705092213. The reversal of 51705092168 is 86129050715.

It is a super-2 number, since 2×51705092168² (a number of 22 digits) contains 22 as substring.

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, 68756396 + ... + 68757147.

It is an arithmetic number, because the mean of its divisors is an integer number (6188109480).

Almost surely, 2^51705092168 is an apocalyptic number.

It is an amenable number.

51705092168 is a deficient number, since it is larger than the sum of its proper divisors (47304659512).

51705092168 is a wasteful number, since it uses less digits than its factorization.

51705092168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137513596 (or 137513592 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 44.

The spelling of 51705092168 in words is "fifty-one billion, seven hundred five million, ninety-two thousand, one hundred sixty-eight".