5664664 has 16 divisors (see below), whose sum is σ = 10771920. Its totient is φ = 2792160.

The previous prime is 5664653. The next prime is 5664671. The reversal of 5664664 is 4664665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4419 + ... + 5554.

It is an arithmetic number, because the mean of its divisors is an integer number (673245).

Almost surely, 2^5664664 is an apocalyptic number.

It is an amenable number.

5664664 is a deficient number, since it is larger than the sum of its proper divisors (5107256).

5664664 is a wasteful number, since it uses less digits than its factorization.

5664664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050 (or 10046 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 5664664 is about 2380.0554615387. The cubic root of 5664664 is about 178.2617031645.

Subtracting from 5664664 its reverse (4664665), we obtain a palindrome (999999).

It can be divided in two parts, 5664 and 664, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 5664664 in words is "five million, six hundred sixty-four thousand, six hundred sixty-four".