6630668 has 12 divisors (see below), whose sum is σ = 12658632. Its totient is φ = 3013920.

The previous prime is 6630661. The next prime is 6630691. The reversal of 6630668 is 8660366.

It is not an unprimeable number, because it can be changed into a prime (6630661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75305 + ... + 75392.

It is an arithmetic number, because the mean of its divisors is an integer number (1054886).

Almost surely, 2^6630668 is an apocalyptic number.

It is an amenable number.

6630668 is a deficient number, since it is larger than the sum of its proper divisors (6027964).

6630668 is a wasteful number, since it uses less digits than its factorization.

6630668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150712 (or 150710 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 6630668 is about 2575.0083495010. The cubic root of 6630668 is about 187.8678337710.

The spelling of 6630668 in words is "six million, six hundred thirty thousand, six hundred sixty-eight".