663304364 has 12 divisors (see below), whose sum is σ = 1221876600. Its totient is φ = 314196768.

The previous prime is 663304361. The next prime is 663304379. The reversal of 663304364 is 463403366.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (663304361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4363769 + ... + 4363920.

It is an arithmetic number, because the mean of its divisors is an integer number (101823050).

Almost surely, 2^663304364 is an apocalyptic number.

It is an amenable number.

663304364 is a deficient number, since it is larger than the sum of its proper divisors (558572236).

663304364 is a wasteful number, since it uses less digits than its factorization.

663304364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8727712 (or 8727710 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

The square root of 663304364 is about 25754.6959601545. The cubic root of 663304364 is about 872.1093678579.

The spelling of 663304364 in words is "six hundred sixty-three million, three hundred four thousand, three hundred sixty-four".