663349512 has 64 divisors (see below), whose sum is σ = 1897297920. Its totient is φ = 189327168.

The previous prime is 663349507. The next prime is 663349523. The reversal of 663349512 is 215943366.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238353 + ... + 241119.

It is an arithmetic number, because the mean of its divisors is an integer number (29645280).

Almost surely, 2^663349512 is an apocalyptic number.

It is an amenable number.

663349512 is an abundant number, since it is smaller than the sum of its proper divisors (1233948408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663349512 is a wasteful number, since it uses less digits than its factorization.

663349512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210 (or 4206 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 663349512 is about 25755.5724455893. The cubic root of 663349512 is about 872.1291541997.

The spelling of 663349512 in words is "six hundred sixty-three million, three hundred forty-nine thousand, five hundred twelve".