3666436864 has 18 divisors (see below), whose sum is σ = 7318552220. Its totient is φ = 1833218304.

The previous prime is 3666436843. The next prime is 3666436909. The reversal of 3666436864 is 4686346663.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7160754 + ... + 7161265.

Almost surely, 2^3666436864 is an apocalyptic number.

It is an amenable number.

3666436864 is a deficient number, since it is larger than the sum of its proper divisors (3652115356).

3666436864 is an equidigital number, since it uses as much as digits as its factorization.

3666436864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14322035 (or 14322021 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 52.

The square root of 3666436864 is about 60551.1095191492. The cubic root of 3666436864 is about 1541.9894544462.

The spelling of 3666436864 in words is "three billion, six hundred sixty-six million, four hundred thirty-six thousand, eight hundred sixty-four".