563556344120664 has 32 divisors (see below), whose sum is σ = 1409015685189120. Its totient is φ = 187835471388576.

The previous prime is 563556344120633. The next prime is 563556344120669. The reversal of 563556344120664 is 466021443655365.

It is a super-2 number, since 2×563556344120664² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 563556344120598 and 563556344120607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563556344120669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039930864 + ... + 1040472639.

It is an arithmetic number, because the mean of its divisors is an integer number (44031740162160).

Almost surely, 2^{563556344120664} is an apocalyptic number.

It is an amenable number.

563556344120664 is an abundant number, since it is smaller than the sum of its proper divisors (845459341068456).

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

563556344120664 is a wasteful number, since it uses less digits than its factorization.

563556344120664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080414799 (or 2080414795 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 60.

The spelling of 563556344120664 in words is "five hundred sixty-three trillion, five hundred fifty-six billion, three hundred forty-four million, one hundred twenty thousand, six hundred sixty-four".