663131650304 has 72 divisors (see below), whose sum is σ = 1337717384640. Its totient is φ = 328052480000.

The previous prime is 663131650277. The next prime is 663131650327. The reversal of 663131650304 is 403056131366.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40301279 + ... + 40317729.

It is an arithmetic number, because the mean of its divisors is an integer number (18579408120).

Almost surely, 2^663131650304 is an apocalyptic number.

663131650304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663131650304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668858692320).

663131650304 is an abundant number, since it is smaller than the sum of its proper divisors (674585734336).

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

663131650304 is a wasteful number, since it uses less digits than its factorization.

663131650304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18127 (or 18113 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 663131650304 in words is "six hundred sixty-three billion, one hundred thirty-one million, six hundred fifty thousand, three hundred four".