663716592 has 280 divisors, whose sum is σ = 2407048320. Its totient is φ = 172160640.

The previous prime is 663716561. The next prime is 663716593. The reversal of 663716592 is 295617366.

663716592 is a `hidden beast` number, since 6 + 637 + 1 + 6 + 5 + 9 + 2 = 666.

663716592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663716593) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 897759 + ... + 898497.

Almost surely, 2^663716592 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 663716592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203524160).

663716592 is an abundant number, since it is smaller than the sum of its proper divisors (1743331728).

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

663716592 is a wasteful number, since it uses less digits than its factorization.

663716592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 762 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 663716592 is about 25762.6976848311. The cubic root of 663716592 is about 872.2899955710.

The spelling of 663716592 in words is "six hundred sixty-three million, seven hundred sixteen thousand, five hundred ninety-two".