51522131166 has 64 divisors (see below), whose sum is σ = 125288881920. Its totient is φ = 13920975360.

The previous prime is 51522131069. The next prime is 51522131189. The reversal of 51522131166 is 66113122515.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1187101 + ... + 1229736.

It is an arithmetic number, because the mean of its divisors is an integer number (1957638780).

Almost surely, 2^51522131166 is an apocalyptic number.

51522131166 is an abundant number, since it is smaller than the sum of its proper divisors (73766750754).

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

51522131166 is a wasteful number, since it uses less digits than its factorization.

51522131166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416889.

The product of its digits is 10800, while the sum is 33.

The spelling of 51522131166 in words is "fifty-one billion, five hundred twenty-two million, one hundred thirty-one thousand, one hundred sixty-six".