522645966 has 16 divisors (see below), whose sum is σ = 1161435600. Its totient is φ = 174215304.

The previous prime is 522645947. The next prime is 522645973. The reversal of 522645966 is 669546225.

It is a happy number.

522645966 is a `hidden beast` number, since 52 + 2 + 6 + 4 + 596 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4839261 + ... + 4839368.

It is an arithmetic number, because the mean of its divisors is an integer number (72589725).

Almost surely, 2^522645966 is an apocalyptic number.

522645966 is an abundant number, since it is smaller than the sum of its proper divisors (638789634).

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

522645966 is a wasteful number, since it uses less digits than its factorization.

522645966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678640 (or 9678634 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 522645966 is about 22861.4515287197. The cubic root of 522645966 is about 805.5067811850.

The spelling of 522645966 in words is "five hundred twenty-two million, six hundred forty-five thousand, nine hundred sixty-six".