663344792 has 16 divisors (see below), whose sum is σ = 1356841800. Its totient is φ = 301520320.

The previous prime is 663344791. The next prime is 663344807. The reversal of 663344792 is 297443366.

663344792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663344791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3768917 + ... + 3769092.

Almost surely, 2^663344792 is an apocalyptic number.

It is an amenable number.

663344792 is an abundant number, since it is smaller than the sum of its proper divisors (693497008).

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

663344792 is a wasteful number, since it uses less digits than its factorization.

663344792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7538026 (or 7538022 counting only the distinct ones).

The product of its digits is 653184, while the sum is 44.

The square root of 663344792 is about 25755.4808147703. The cubic root of 663344792 is about 872.1270856776.

The spelling of 663344792 in words is "six hundred sixty-three million, three hundred forty-four thousand, seven hundred ninety-two".