665382664313 has 8 divisors (see below), whose sum is σ = 700411166400. Its totient is φ = 630354998448.

The previous prime is 665382664283. The next prime is 665382664319. The reversal of 665382664313 is 313466283566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 665382664313 - 2²⁴ = 665365887097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (665382664319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050595 + ... + 2352807.

It is an arithmetic number, because the mean of its divisors is an integer number (87551395800).

Almost surely, 2^665382664313 is an apocalyptic number.

It is an amenable number.

665382664313 is a deficient number, since it is larger than the sum of its proper divisors (35028502087).

665382664313 is a wasteful number, since it uses less digits than its factorization.

665382664313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418111.

The product of its digits is 11197440, while the sum is 53.

The spelling of 665382664313 in words is "six hundred sixty-five billion, three hundred eighty-two million, six hundred sixty-four thousand, three hundred thirteen".