6668512 has 12 divisors (see below), whose sum is σ = 13128696. Its totient is φ = 3334240.

The previous prime is 6668509. The next prime is 6668531. The reversal of 6668512 is 2158666.

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, 104164 + ... + 104227.

It is an arithmetic number, because the mean of its divisors is an integer number (1094058).

Almost surely, 2^6668512 is an apocalyptic number.

It is an amenable number.

6668512 is a deficient number, since it is larger than the sum of its proper divisors (6460184).

6668512 is a wasteful number, since it uses less digits than its factorization.

6668512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208401 (or 208393 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 6668512 is about 2582.3462200100. The cubic root of 6668512 is about 188.2245694257.

The spelling of 6668512 in words is "six million, six hundred sixty-eight thousand, five hundred twelve".