663252632 has 48 divisors (see below), whose sum is σ = 1461632760. Its totient is φ = 281304576.

The previous prime is 663252617. The next prime is 663252641. The reversal of 663252632 is 236252366.

It is a junction number, because it is equal to n+sod(n) for n = 663252592 and 663252601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29303 + ... + 46745.

Almost surely, 2^663252632 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 663252632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730816380).

663252632 is an abundant number, since it is smaller than the sum of its proper divisors (798380128).

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

663252632 is a wasteful number, since it uses less digits than its factorization.

663252632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17560 (or 17549 counting only the distinct ones).

The product of its digits is 77760, while the sum is 35.

The square root of 663252632 is about 25753.6916188728. The cubic root of 663252632 is about 872.0866949407.

The spelling of 663252632 in words is "six hundred sixty-three million, two hundred fifty-two thousand, six hundred thirty-two".