663984102330 has 64 divisors (see below), whose sum is σ = 1771201555200. Its totient is φ = 177004699200.

The previous prime is 663984102269. The next prime is 663984102359. The reversal of 663984102330 is 33201489366.

663984102330 is a `hidden beast` number, since 6 + 639 + 8 + 4 + 1 + 0 + 2 + 3 + 3 + 0 = 666.

663984102330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×663984102330² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431980 + ... + 1230680.

It is an arithmetic number, because the mean of its divisors is an integer number (27675024300).

Almost surely, 2^663984102330 is an apocalyptic number.

663984102330 is an abundant number, since it is smaller than the sum of its proper divisors (1107217452870).

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

663984102330 is a wasteful number, since it uses less digits than its factorization.

663984102330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801796 (or 801790 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 663984102330 in words is "six hundred sixty-three billion, nine hundred eighty-four million, one hundred two thousand, three hundred thirty".