6668090 has 32 divisors (see below), whose sum is σ = 14103936. Its totient is φ = 2237760.

The previous prime is 6668083. The next prime is 6668113. The reversal of 6668090 is 908666.

It is a self number, because there is not a number n which added to its sum of digits gives 6668090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902 + ... + 3761.

It is an arithmetic number, because the mean of its divisors is an integer number (440748).

Almost surely, 2^6668090 is an apocalyptic number.

6668090 is an abundant number, since it is smaller than the sum of its proper divisors (7435846).

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

6668090 is a wasteful number, since it uses less digits than its factorization.

6668090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 6668090 is about 2582.2645100764. The cubic root of 6668090 is about 188.2205989026.

The spelling of 6668090 in words is "six million, six hundred sixty-eight thousand, ninety".