522566430648 has 16 divisors (see below), whose sum is σ = 1306416076680. Its totient is φ = 174188810208.

The previous prime is 522566430643. The next prime is 522566430667. The reversal of 522566430648 is 846034665225.

It is a self number, because there is not a number n which added to its sum of digits gives 522566430648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522566430641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10886800615 + ... + 10886800662.

Almost surely, 2^522566430648 is an apocalyptic number.

It is an amenable number.

522566430648 is an abundant number, since it is smaller than the sum of its proper divisors (783849646032).

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

522566430648 is a wasteful number, since it uses less digits than its factorization.

522566430648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21773601286 (or 21773601282 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 51.

The spelling of 522566430648 in words is "five hundred twenty-two billion, five hundred sixty-six million, four hundred thirty thousand, six hundred forty-eight".