663584485366 has 16 divisors (see below), whose sum is σ = 1085975550288. Its totient is φ = 301598748000.

The previous prime is 663584485321. The next prime is 663584485423.

663584485366 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 663584485298 and 663584485307.

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, 1305405 + ... + 1741048.

It is an arithmetic number, because the mean of its divisors is an integer number (67873471893).

Almost surely, 2^663584485366 is an apocalyptic number.

663584485366 is a deficient number, since it is larger than the sum of its proper divisors (422391064922).

663584485366 is a wasteful number, since it uses less digits than its factorization.

663584485366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056367.

The product of its digits is 298598400, while the sum is 64.

The spelling of 663584485366 in words is "six hundred sixty-three billion, five hundred eighty-four million, four hundred eighty-five thousand, three hundred sixty-six".