6664888 has 16 divisors (see below), whose sum is σ = 12530880. Its totient is φ = 3323328.

The previous prime is 6664873. The next prime is 6664891. The reversal of 6664888 is 8884666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2745 + ... + 4567.

It is an arithmetic number, because the mean of its divisors is an integer number (783180).

Almost surely, 2^6664888 is an apocalyptic number.

It is an amenable number.

6664888 is a deficient number, since it is larger than the sum of its proper divisors (5865992).

6664888 is a wasteful number, since it uses less digits than its factorization.

6664888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286 (or 2282 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 6664888 is about 2581.6444371757. The cubic root of 6664888 is about 188.1904663933.

The spelling of 6664888 in words is "six million, six hundred sixty-four thousand, eight hundred eighty-eight".