663366912 has 216 divisors, whose sum is σ = 2019880800. Its totient is φ = 192651264.

The previous prime is 663366901. The next prime is 663366941. The reversal of 663366912 is 219663366.

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 23 ways as a sum of consecutive naturals, for example, 2465914 + ... + 2466182.

It is an arithmetic number, because the mean of its divisors is an integer number (9351300).

Almost surely, 2^663366912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663366912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009940400).

663366912 is an abundant number, since it is smaller than the sum of its proper divisors (1356513888).

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

663366912 is a wasteful number, since it uses less digits than its factorization.

663366912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 306 counting only the distinct ones).

The product of its digits is 209952, while the sum is 42.

The square root of 663366912 is about 25755.9102343520. The cubic root of 663366912 is about 872.1367795989.

The spelling of 663366912 in words is "six hundred sixty-three million, three hundred sixty-six thousand, nine hundred twelve".