5664668 has 6 divisors (see below), whose sum is σ = 9913176. Its totient is φ = 2832332.

The previous prime is 5664653. The next prime is 5664671. The reversal of 5664668 is 8664665.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708080 + ... + 708087.

It is an arithmetic number, because the mean of its divisors is an integer number (1652196).

Almost surely, 2^5664668 is an apocalyptic number.

It is an amenable number.

5664668 is a deficient number, since it is larger than the sum of its proper divisors (4248508).

5664668 is a wasteful number, since it uses less digits than its factorization.

5664668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416171 (or 1416169 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 5664668 is about 2380.0563018551. The cubic root of 5664668 is about 178.2617451233.

The spelling of 5664668 in words is "five million, six hundred sixty-four thousand, six hundred sixty-eight".