6664118 has 4 divisors (see below), whose sum is σ = 9996180. Its totient is φ = 3332058.

The previous prime is 6664103. The next prime is 6664121. The reversal of 6664118 is 8114666.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666028 + ... + 1666031.

It is an arithmetic number, because the mean of its divisors is an integer number (2499045).

Almost surely, 2^6664118 is an apocalyptic number.

6664118 is a deficient number, since it is larger than the sum of its proper divisors (3332062).

6664118 is a wasteful number, since it uses less digits than its factorization.

6664118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332061.

The product of its digits is 6912, while the sum is 32.

The square root of 6664118 is about 2581.4953031141. The cubic root of 6664118 is about 188.1832188476.

The spelling of 6664118 in words is "six million, six hundred sixty-four thousand, one hundred eighteen".