5568640468654 has 32 divisors (see below), whose sum is σ = 8699898299040. Its totient is φ = 2670005721600.

The previous prime is 5568640468649. The next prime is 5568640468673. The reversal of 5568640468654 is 4568640468655.

It is a self number, because there is not a number n which added to its sum of digits gives 5568640468654.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13802514 + ... + 14200234.

It is an arithmetic number, because the mean of its divisors is an integer number (271871821845).

Almost surely, 2^{5568640468654} is an apocalyptic number.

5568640468654 is a deficient number, since it is larger than the sum of its proper divisors (3131257830386).

5568640468654 is a wasteful number, since it uses less digits than its factorization.

5568640468654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399396.

The product of its (nonzero) digits is 663552000, while the sum is 67.

Subtracting from 5568640468654 its reverse (4568640468655), we obtain a palindrome (999999999999).

The spelling of 5568640468654 in words is "five trillion, five hundred sixty-eight billion, six hundred forty million, four hundred sixty-eight thousand, six hundred fifty-four".