663316318 has 32 divisors (see below), whose sum is σ = 1162925568. Its totient is φ = 277884000.

The previous prime is 663316307. The next prime is 663316337. The reversal of 663316318 is 813613366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140293 + ... + 144943.

It is an arithmetic number, because the mean of its divisors is an integer number (36341424).

Almost surely, 2^663316318 is an apocalyptic number.

663316318 is a deficient number, since it is larger than the sum of its proper divisors (499609250).

663316318 is a wasteful number, since it uses less digits than its factorization.

663316318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888.

The product of its digits is 46656, while the sum is 37.

The square root of 663316318 is about 25754.9280332910. The cubic root of 663316318 is about 872.1146068469.

The spelling of 663316318 in words is "six hundred sixty-three million, three hundred sixteen thousand, three hundred eighteen".