5568640468656 has 20 divisors (see below), whose sum is σ = 14385654544152. Its totient is φ = 1856213489536.

The previous prime is 5568640468649. The next prime is 5568640468673. The reversal of 5568640468656 is 6568640468655.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58006671501 + ... + 58006671596.

Almost surely, 2^{5568640468656} is an apocalyptic number.

It is an amenable number.

5568640468656 is an abundant number, since it is smaller than the sum of its proper divisors (8817014075496).

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

5568640468656 is a wasteful number, since it uses less digits than its factorization.

5568640468656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116013343108 (or 116013343102 counting only the distinct ones).

The product of its (nonzero) digits is 995328000, while the sum is 69.

Subtracting 5568640468656 from its reverse (6568640468655), we obtain a palindrome (999999999999).

The spelling of 5568640468656 in words is "five trillion, five hundred sixty-eight billion, six hundred forty million, four hundred sixty-eight thousand, six hundred fifty-six".