665434660014 has 24 divisors (see below), whose sum is σ = 1488283972032. Its totient is φ = 214656341760.

The previous prime is 665434659991. The next prime is 665434660123. The reversal of 665434660014 is 410066434566.

665434660014 is a `hidden beast` number, since 6 + 6 + 5 + 4 + 34 + 6 + 600 + 1 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596267059 + ... + 596268174.

It is an arithmetic number, because the mean of its divisors is an integer number (62011832168).

Almost surely, 2^665434660014 is an apocalyptic number.

665434660014 is an abundant number, since it is smaller than the sum of its proper divisors (822849312018).

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

665434660014 is a wasteful number, since it uses less digits than its factorization.

665434660014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192535272 (or 1192535269 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 665434660014 in words is "six hundred sixty-five billion, four hundred thirty-four million, six hundred sixty thousand, fourteen".