633663532 has 6 divisors (see below), whose sum is σ = 1108911188. Its totient is φ = 316831764.

The previous prime is 633663493. The next prime is 633663533. The reversal of 633663532 is 235366336.

It is a junction number, because it is equal to n+sod(n) for n = 633663491 and 633663500.

It is not an unprimeable number, because it can be changed into a prime (633663533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79207938 + ... + 79207945.

Almost surely, 2^633663532 is an apocalyptic number.

It is an amenable number.

633663532 is a deficient number, since it is larger than the sum of its proper divisors (475247656).

633663532 is a wasteful number, since it uses less digits than its factorization.

633663532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158415887 (or 158415885 counting only the distinct ones).

The product of its digits is 174960, while the sum is 37.

The square root of 633663532 is about 25172.6743116420. The cubic root of 633663532 is about 858.9203740899.

The spelling of 633663532 in words is "six hundred thirty-three million, six hundred sixty-three thousand, five hundred thirty-two".