665360373316 has 12 divisors (see below), whose sum is σ = 1164386700288. Its totient is φ = 332678458952.

The previous prime is 665360373299. The next prime is 665360373343. The reversal of 665360373316 is 613373063566.

It is a self number, because there is not a number n which added to its sum of digits gives 665360373316.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871845 + ... + 1445971.

It is an arithmetic number, because the mean of its divisors is an integer number (97032225024).

Almost surely, 2^665360373316 is an apocalyptic number.

It is an amenable number.

665360373316 is a deficient number, since it is larger than the sum of its proper divisors (499026326972).

665360373316 is a wasteful number, since it uses less digits than its factorization.

665360373316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863858 (or 863856 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 49.

The spelling of 665360373316 in words is "six hundred sixty-five billion, three hundred sixty million, three hundred seventy-three thousand, three hundred sixteen".