6315627666 has 64 divisors (see below), whose sum is σ = 13175838720. Its totient is φ = 2016705600.

The previous prime is 6315627641. The next prime is 6315627671. The reversal of 6315627666 is 6667265136.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3321316 + ... + 3323216.

It is an arithmetic number, because the mean of its divisors is an integer number (205872480).

Almost surely, 2^6315627666 is an apocalyptic number.

6315627666 is an abundant number, since it is smaller than the sum of its proper divisors (6860211054).

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

6315627666 is a wasteful number, since it uses less digits than its factorization.

6315627666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191.

The product of its digits is 1632960, while the sum is 48.

The square root of 6315627666 is about 79470.9233996938. The cubic root of 6315627666 is about 1848.4406305555.

The spelling of 6315627666 in words is "six billion, three hundred fifteen million, six hundred twenty-seven thousand, six hundred sixty-six".