663332063 has 4 divisors (see below), whose sum is σ = 663432240. Its totient is φ = 663231888.

The previous prime is 663332039. The next prime is 663332077. The reversal of 663332063 is 360233366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 663332063 - 2⁸ = 663331807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663332083) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 39395 + ... + 53652.

It is an arithmetic number, because the mean of its divisors is an integer number (165858060).

Almost surely, 2^663332063 is an apocalyptic number.

663332063 is a deficient number, since it is larger than the sum of its proper divisors (100177).

663332063 is an equidigital number, since it uses as much as digits as its factorization.

663332063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100176.

The product of its (nonzero) digits is 34992, while the sum is 32.

The square root of 663332063 is about 25755.2337011334. The cubic root of 663332063 is about 872.1215071927.

The spelling of 663332063 in words is "six hundred sixty-three million, three hundred thirty-two thousand, sixty-three".