563506456616464 has 20 divisors (see below), whose sum is σ = 1091795755934160. Its totient is φ = 281752713149600.

The previous prime is 563506456616461. The next prime is 563506456616507. The reversal of 563506456616464 is 464616654605365.

It is a self number, because there is not a number n which added to its sum of digits gives 563506456616464.

It is not an unprimeable number, because it can be changed into a prime (563506456616461) 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, 23095174 + ... + 40748005.

It is an arithmetic number, because the mean of its divisors is an integer number (54589787796708).

Almost surely, 2^{563506456616464} is an apocalyptic number.

It is an amenable number.

563506456616464 is a deficient number, since it is larger than the sum of its proper divisors (528289299317696).

563506456616464 is a wasteful number, since it uses less digits than its factorization.

563506456616464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64394838 (or 64394832 counting only the distinct ones).

The product of its (nonzero) digits is 1119744000, while the sum is 67.

The spelling of 563506456616464 in words is "five hundred sixty-three trillion, five hundred six billion, four hundred fifty-six million, six hundred sixteen thousand, four hundred sixty-four".