51705092166 has 32 divisors (see below), whose sum is σ = 127274074368. Its totient is φ = 13636507680.

The previous prime is 51705092149. The next prime is 51705092213. The reversal of 51705092166 is 66129050715.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47348440 + ... + 47349531.

It is an arithmetic number, because the mean of its divisors is an integer number (3977314824).

Almost surely, 2^51705092166 is an apocalyptic number.

51705092166 is an abundant number, since it is smaller than the sum of its proper divisors (75568982202).

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

51705092166 is a wasteful number, since it uses less digits than its factorization.

51705092166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94697996.

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 51705092166 in words is "fifty-one billion, seven hundred five million, ninety-two thousand, one hundred sixty-six".