6506668 has 12 divisors (see below), whose sum is σ = 13013392. Its totient is φ = 2788560.

The previous prime is 6506657. The next prime is 6506693. The reversal of 6506668 is 8666056.

6506668 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116163 + ... + 116218.

Almost surely, 2^6506668 is an apocalyptic number.

It is an amenable number.

6506668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6506668 is a wasteful number, since it uses less digits than its factorization.

6506668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232392 (or 232390 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 6506668 is about 2550.8171239820. The cubic root of 6506668 is about 186.6893524016.

The spelling of 6506668 in words is "six million, five hundred six thousand, six hundred sixty-eight".