663125360 has 60 divisors (see below), whose sum is σ = 1578807432. Its totient is φ = 259023744.

The previous prime is 663125291. The next prime is 663125363. The reversal of 663125360 is 63521366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663125363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145679 + ... + 150161.

Almost surely, 2^663125360 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 663125360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789403716).

663125360 is an abundant number, since it is smaller than the sum of its proper divisors (915682072).

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

663125360 is a wasteful number, since it uses less digits than its factorization.

663125360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582 (or 4533 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 663125360 is about 25751.2205535971. The cubic root of 663125360 is about 872.0309096021.

The spelling of 663125360 in words is "six hundred sixty-three million, one hundred twenty-five thousand, three hundred sixty".