663363366 has 32 divisors (see below), whose sum is σ = 1348171776. Its totient is φ = 217560000.

The previous prime is 663363353. The next prime is 663363383.

663363366 is nontrivially palindromic in base 10.

663363366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254731 + ... + 257321.

It is an arithmetic number, because the mean of its divisors is an integer number (42130368).

Almost surely, 2^663363366 is an apocalyptic number.

663363366 is an abundant number, since it is smaller than the sum of its proper divisors (684808410).

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

663363366 is a wasteful number, since it uses less digits than its factorization.

663363366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268.

The product of its digits is 629856, while the sum is 42.

The square root of 663363366 is about 25755.8413956912. The cubic root of 663363366 is about 872.1352256059.

The spelling of 663363366 in words is "six hundred sixty-three million, three hundred sixty-three thousand, three hundred sixty-six".