665040060352 has 14 divisors (see below), whose sum is σ = 1319688869888. Its totient is φ = 332520030144.

The previous prime is 665040060281. The next prime is 665040060361. The reversal of 665040060352 is 253060040566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195625408 + ... + 5195625535.

Almost surely, 2^665040060352 is an apocalyptic number.

It is an amenable number.

665040060352 is a deficient number, since it is larger than the sum of its proper divisors (654648809536).

665040060352 is a wasteful number, since it uses less digits than its factorization.

665040060352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391250955 (or 10391250945 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 665040060352 in words is "six hundred sixty-five billion, forty million, sixty thousand, three hundred fifty-two".