6608664 has 48 divisors (see below), whose sum is σ = 18018000. Its totient is φ = 2188224.

The previous prime is 6608653. The next prime is 6608683. The reversal of 6608664 is 4668066.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18762 + ... + 19110.

It is an arithmetic number, because the mean of its divisors is an integer number (375375).

Almost surely, 2^6608664 is an apocalyptic number.

It is an amenable number.

6608664 is an abundant number, since it is smaller than the sum of its proper divisors (11409336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6608664 is a wasteful number, since it uses less digits than its factorization.

6608664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 6608664 is about 2570.7321914194. The cubic root of 6608664 is about 187.6597891210.

The spelling of 6608664 in words is "six million, six hundred eight thousand, six hundred sixty-four".