665096474938 has 32 divisors (see below), whose sum is σ = 1181320381440. Its totient is φ = 274820964480.

The previous prime is 665096474923. The next prime is 665096474947. The reversal of 665096474938 is 839474690566.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2731731 + ... + 2965222.

It is an arithmetic number, because the mean of its divisors is an integer number (36916261920).

Almost surely, 2^665096474938 is an apocalyptic number.

665096474938 is a deficient number, since it is larger than the sum of its proper divisors (516223906502).

665096474938 is a wasteful number, since it uses less digits than its factorization.

665096474938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697262.

The product of its (nonzero) digits is 235146240, while the sum is 67.

The spelling of 665096474938 in words is "six hundred sixty-five billion, ninety-six million, four hundred seventy-four thousand, nine hundred thirty-eight".