6366866 has 16 divisors (see below), whose sum is σ = 10469088. Its totient is φ = 2880000.

The previous prime is 6366859. The next prime is 6366869. The reversal of 6366866 is 6686636.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6366869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4946 + ... + 6098.

It is an arithmetic number, because the mean of its divisors is an integer number (654318).

Almost surely, 2^6366866 is an apocalyptic number.

6366866 is a deficient number, since it is larger than the sum of its proper divisors (4102222).

6366866 is a wasteful number, since it uses less digits than its factorization.

6366866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417.

The product of its digits is 186624, while the sum is 41.

The square root of 6366866 is about 2523.2649484349. The cubic root of 6366866 is about 185.3425938072.

The spelling of 6366866 in words is "six million, three hundred sixty-six thousand, eight hundred sixty-six".