522509166 has 24 divisors (see below), whose sum is σ = 1159717104. Its totient is φ = 169921440.

The previous prime is 522509149. The next prime is 522509167. The reversal of 522509166 is 661905225.

It is a self number, because there is not a number n which added to its sum of digits gives 522509166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522509167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353266 + ... + 354741.

It is an arithmetic number, because the mean of its divisors is an integer number (48321546).

Almost surely, 2^522509166 is an apocalyptic number.

522509166 is an abundant number, since it is smaller than the sum of its proper divisors (637207938).

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

522509166 is a wasteful number, since it uses less digits than its factorization.

522509166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708056 (or 708053 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 522509166 is about 22858.4593969060. The cubic root of 522509166 is about 805.4364959120.

It can be divided in two parts, 52250 and 9166, that added together give a palindrome (61416).

The spelling of 522509166 in words is "five hundred twenty-two million, five hundred nine thousand, one hundred sixty-six".