5664468538 has 16 divisors (see below), whose sum is σ = 8529210144. Its totient is φ = 2821412880.

The previous prime is 5664468517. The next prime is 5664468541. The reversal of 5664468538 is 8358644665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081081 + ... + 1086307.

It is an arithmetic number, because the mean of its divisors is an integer number (533075634).

Almost surely, 2^5664468538 is an apocalyptic number.

5664468538 is a deficient number, since it is larger than the sum of its proper divisors (2864741606).

5664468538 is a wasteful number, since it uses less digits than its factorization.

5664468538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7197.

The product of its digits is 16588800, while the sum is 55.

The square root of 5664468538 is about 75262.6636387525. The cubic root of 5664468538 is about 1782.5965280519.

The spelling of 5664468538 in words is "five billion, six hundred sixty-four million, four hundred sixty-eight thousand, five hundred thirty-eight".