522563007663 has 32 divisors (see below), whose sum is σ = 787908300800. Its totient is φ = 342207180000.

The previous prime is 522563007623. The next prime is 522563007671. The reversal of 522563007663 is 366700365225.

522563007663 is a `hidden beast` number, since 5 + 2 + 2 + 5 + 630 + 0 + 7 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 522563007663 - 2⁹ = 522563007151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522563007613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1025658 + ... + 1448136.

It is an arithmetic number, because the mean of its divisors is an integer number (24622134400).

Almost surely, 2^522563007663 is an apocalyptic number.

522563007663 is a deficient number, since it is larger than the sum of its proper divisors (265345293137).

522563007663 is a wasteful number, since it uses less digits than its factorization.

522563007663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423300 (or 423294 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 522563007663 in words is "five hundred twenty-two billion, five hundred sixty-three million, seven thousand, six hundred sixty-three".