6366669 has 8 divisors (see below), whose sum is σ = 8527200. Its totient is φ = 4225296.

The previous prime is 6366649. The next prime is 6366671. The reversal of 6366669 is 9666636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6366669 - 2¹¹ = 6364621 is a prime.

It is a super-2 number, since 2×6366669² = 81068948311122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6366669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6366629) 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 7 ways as a sum of consecutive naturals, for example, 3994 + ... + 5355.

It is an arithmetic number, because the mean of its divisors is an integer number (1065900).

Almost surely, 2^6366669 is an apocalyptic number.

It is an amenable number.

6366669 is a deficient number, since it is larger than the sum of its proper divisors (2160531).

6366669 is a wasteful number, since it uses less digits than its factorization.

6366669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9579.

The product of its digits is 209952, while the sum is 42.

The square root of 6366669 is about 2523.2259114079. The cubic root of 6366669 is about 185.3406821986.

The spelling of 6366669 in words is "six million, three hundred sixty-six thousand, six hundred sixty-nine".