8566668 has 48 divisors (see below), whose sum is σ = 24232320. Its totient is φ = 2595600.

The previous prime is 8566667. The next prime is 8566673. The reversal of 8566668 is 8666658.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8566667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2418 + ... + 4793.

It is an arithmetic number, because the mean of its divisors is an integer number (504840).

Almost surely, 2^8566668 is an apocalyptic number.

It is an amenable number.

8566668 is an abundant number, since it is smaller than the sum of its proper divisors (15665652).

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

8566668 is a wasteful number, since it uses less digits than its factorization.

8566668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7235 (or 7227 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 8566668 is about 2926.8870835753. The cubic root of 8566668 is about 204.6149265432.

The spelling of 8566668 in words is "eight million, five hundred sixty-six thousand, six hundred sixty-eight".