663241244 has 12 divisors (see below), whose sum is σ = 1169812224. Its totient is φ = 329009184.

The previous prime is 663241237. The next prime is 663241259. The reversal of 663241244 is 442142366.

It is a self number, because there is not a number n which added to its sum of digits gives 663241244.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 652289 + ... + 653304.

It is an arithmetic number, because the mean of its divisors is an integer number (97484352).

Almost surely, 2^663241244 is an apocalyptic number.

It is an amenable number.

663241244 is a deficient number, since it is larger than the sum of its proper divisors (506570980).

663241244 is a wasteful number, since it uses less digits than its factorization.

663241244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305724 (or 1305722 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 663241244 is about 25753.4705234071. The cubic root of 663241244 is about 872.0817036902.

The spelling of 663241244 in words is "six hundred sixty-three million, two hundred forty-one thousand, two hundred forty-four".