516564522 has 12 divisors (see below), whose sum is σ = 1119223170. Its totient is φ = 172188168.

The previous prime is 516564509. The next prime is 516564523. The reversal of 516564522 is 225465615.

516564522 is a `hidden beast` number, since 5 + 1 + 6 + 5 + 645 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 470065761 + 46498761 = 21681^2 + 6819^2 .

It is not an unprimeable number, because it can be changed into a prime (516564523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14348997 + ... + 14349032.

Almost surely, 2^516564522 is an apocalyptic number.

516564522 is an abundant number, since it is smaller than the sum of its proper divisors (602658648).

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

516564522 is a wasteful number, since it uses less digits than its factorization.

516564522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28698037 (or 28698034 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 516564522 is about 22728.0558341447. The cubic root of 516564522 is about 802.3703252201.

The spelling of 516564522 in words is "five hundred sixteen million, five hundred sixty-four thousand, five hundred twenty-two".