663113394624 has 168 divisors, whose sum is σ = 1878458828800. Its totient is φ = 206395305984.

The previous prime is 663113394527. The next prime is 663113394637. The reversal of 663113394624 is 426493311366.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6999927 + ... + 7094025.

Almost surely, 2^663113394624 is an apocalyptic number.

663113394624 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 663113394624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (939229414400).

663113394624 is an abundant number, since it is smaller than the sum of its proper divisors (1215345434176).

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

663113394624 is a wasteful number, since it uses less digits than its factorization.

663113394624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94275 (or 94248 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 48.

The spelling of 663113394624 in words is "six hundred sixty-three billion, one hundred thirteen million, three hundred ninety-four thousand, six hundred twenty-four".