5568640468655 has 128 divisors (see below), whose sum is σ = 7974983761920. Its totient is φ = 3721463222400.

The previous prime is 5568640468649. The next prime is 5568640468673.

It is a happy number.

5568640468655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5568640468655 - 2⁶ = 5568640468591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 659552864 + ... + 659561306.

It is an arithmetic number, because the mean of its divisors is an integer number (62304560640).

Almost surely, 2^{5568640468655} is an apocalyptic number.

5568640468655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5568640468655 is a deficient number, since it is larger than the sum of its proper divisors (2406343293265).

5568640468655 is a wasteful number, since it uses less digits than its factorization.

5568640468655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8674 (or 8652 counting only the distinct ones).

The product of its (nonzero) digits is 829440000, while the sum is 68.

The spelling of 5568640468655 in words is "five trillion, five hundred sixty-eight billion, six hundred forty million, four hundred sixty-eight thousand, six hundred fifty-five".