866604466 has 16 divisors (see below), whose sum is σ = 1599885504. Its totient is φ = 342832464.

The previous prime is 866604457. The next prime is 866604469. The reversal of 866604466 is 664406668.

It is a super-2 number, since 2×866604466² = 1502006600982290312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (866604469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380600 + ... + 2380963.

It is an arithmetic number, because the mean of its divisors is an integer number (99992844).

Almost surely, 2^866604466 is an apocalyptic number.

866604466 is a deficient number, since it is larger than the sum of its proper divisors (733281038).

866604466 is a wasteful number, since it uses less digits than its factorization.

866604466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761585.

The product of its (nonzero) digits is 995328, while the sum is 46.

The square root of 866604466 is about 29438.1464430083. The cubic root of 866604466 is about 953.3966924762.

The spelling of 866604466 in words is "eight hundred sixty-six million, six hundred four thousand, four hundred sixty-six".