663253512 has 32 divisors (see below), whose sum is σ = 1670071200. Its totient is φ = 219492864.

The previous prime is 663253511. The next prime is 663253523. The reversal of 663253512 is 215352366.

It is not an unprimeable number, because it can be changed into a prime (663253511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96073 + ... + 102744.

It is an arithmetic number, because the mean of its divisors is an integer number (52189725).

Almost surely, 2^663253512 is an apocalyptic number.

It is an amenable number.

663253512 is an abundant number, since it is smaller than the sum of its proper divisors (1006817688).

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

663253512 is a wasteful number, since it uses less digits than its factorization.

663253512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198965 (or 198961 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 663253512 is about 25753.7087037964. The cubic root of 663253512 is about 872.0870806339.

The spelling of 663253512 in words is "six hundred sixty-three million, two hundred fifty-three thousand, five hundred twelve".