663364656430 has 16 divisors (see below), whose sum is σ = 1364635864800. Its totient is φ = 227439310752.

The previous prime is 663364656397. The next prime is 663364656481. The reversal of 663364656430 is 34656463366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4738318905 + ... + 4738319044.

It is an arithmetic number, because the mean of its divisors is an integer number (85289741550).

Almost surely, 2^663364656430 is an apocalyptic number.

663364656430 is an abundant number, since it is smaller than the sum of its proper divisors (701271208370).

663364656430 is a wasteful number, since it uses less digits than its factorization.

663364656430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476637963.

The product of its (nonzero) digits is 16796160, while the sum is 52.

The spelling of 663364656430 in words is "six hundred sixty-three billion, three hundred sixty-four million, six hundred fifty-six thousand, four hundred thirty".