663436652 has 6 divisors (see below), whose sum is σ = 1161014148. Its totient is φ = 331718324.

The previous prime is 663436619. The next prime is 663436681. The reversal of 663436652 is 256634366.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82929578 + ... + 82929585.

It is an arithmetic number, because the mean of its divisors is an integer number (193502358).

Almost surely, 2^663436652 is an apocalyptic number.

It is an amenable number.

663436652 is a deficient number, since it is larger than the sum of its proper divisors (497577496).

663436652 is a wasteful number, since it uses less digits than its factorization.

663436652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165859167 (or 165859165 counting only the distinct ones).

The product of its digits is 466560, while the sum is 41.

The square root of 663436652 is about 25757.2640627843. The cubic root of 663436652 is about 872.1673412115.

The spelling of 663436652 in words is "six hundred sixty-three million, four hundred thirty-six thousand, six hundred fifty-two".