522256166132 has 12 divisors (see below), whose sum is σ = 913953398820. Its totient is φ = 261126623616.

The previous prime is 522256166119. The next prime is 522256166149. The reversal of 522256166132 is 231661652225.

It can be written as a sum of positive squares in 2 ways, for example, as 84655393936 + 437600772196 = 290956^2 + 661514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 522256166132.

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, 1049294 + ... + 1464762.

It is an arithmetic number, because the mean of its divisors is an integer number (76162783235).

Almost surely, 2^522256166132 is an apocalyptic number.

It is an amenable number.

522256166132 is a deficient number, since it is larger than the sum of its proper divisors (391697232688).

522256166132 is a wasteful number, since it uses less digits than its factorization.

522256166132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729730 (or 729728 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The spelling of 522256166132 in words is "five hundred twenty-two billion, two hundred fifty-six million, one hundred sixty-six thousand, one hundred thirty-two".