6664044 has 12 divisors (see below), whose sum is σ = 15549464. Its totient is φ = 2221344.

The previous prime is 6664027. The next prime is 6664069. The reversal of 6664044 is 4404666.

It is a tau number, because it is divible by the number of its divisors (12).

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, 277657 + ... + 277680.

Almost surely, 2^6664044 is an apocalyptic number.

It is an amenable number.

6664044 is an abundant number, since it is smaller than the sum of its proper divisors (8885420).

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

6664044 is a wasteful number, since it uses less digits than its factorization.

6664044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555344 (or 555342 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 6664044 is about 2581.4809702959. The cubic root of 6664044 is about 188.1825223008.

The spelling of 6664044 in words is "six million, six hundred sixty-four thousand, forty-four".