665362107632 has 20 divisors (see below), whose sum is σ = 1289332016160. Its totient is φ = 332631264768.

The previous prime is 665362107511. The next prime is 665362107703. The reversal of 665362107632 is 236701263566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3001448 + ... + 3215495.

It is an arithmetic number, because the mean of its divisors is an integer number (64466600808).

Almost surely, 2^665362107632 is an apocalyptic number.

It is an amenable number.

665362107632 is a deficient number, since it is larger than the sum of its proper divisors (623969908528).

665362107632 is a wasteful number, since it uses less digits than its factorization.

665362107632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6223640 (or 6223634 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 665362107632 in words is "six hundred sixty-five billion, three hundred sixty-two million, one hundred seven thousand, six hundred thirty-two".