6664318 has 16 divisors (see below), whose sum is σ = 10543104. Its totient is φ = 3154680.

The previous prime is 6664309. The next prime is 6664321. The reversal of 6664318 is 8134666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1771 + ... + 4057.

It is an arithmetic number, because the mean of its divisors is an integer number (658944).

Almost surely, 2^6664318 is an apocalyptic number.

6664318 is a deficient number, since it is larger than the sum of its proper divisors (3878786).

6664318 is a wasteful number, since it uses less digits than its factorization.

6664318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367.

The product of its digits is 20736, while the sum is 34.

The square root of 6664318 is about 2581.5340400622. The cubic root of 6664318 is about 188.1851013807.

The spelling of 6664318 in words is "six million, six hundred sixty-four thousand, three hundred eighteen".