663432003 has 12 divisors (see below), whose sum is σ = 1032005520. Its totient is φ = 408265776.

The previous prime is 663432001. The next prime is 663432013. The reversal of 663432003 is 300234366.

663432003 is a `hidden beast` number, since 6 + 634 + 3 + 20 + 0 + 3 = 666.

663432003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 663432003 - 2¹ = 663432001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (663432001) 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, 2835063 + ... + 2835296.

It is an arithmetic number, because the mean of its divisors is an integer number (86000460).

Almost surely, 2^663432003 is an apocalyptic number.

663432003 is a deficient number, since it is larger than the sum of its proper divisors (368573517).

663432003 is a wasteful number, since it uses less digits than its factorization.

663432003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5670378 (or 5670375 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 663432003 is about 25757.1738162400. The cubic root of 663432003 is about 872.1653039833.

Adding to 663432003 its reverse (300234366), we get a palindrome (963666369).

The spelling of 663432003 in words is "six hundred sixty-three million, four hundred thirty-two thousand, three".