663306141603366 has 64 divisors (see below), whose sum is σ = 1521800653363200. Its totient is φ = 213936229317600.

The previous prime is 663306141603317. The next prime is 663306141603367.

663306141603366 is a `hidden beast` number, since 6 + 6 + 3 + 3 + 0 + 614 + 16 + 0 + 3 + 3 + 6 + 6 = 666.

663306141603366 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663306141603367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20314380 + ... + 41704751.

It is an arithmetic number, because the mean of its divisors is an integer number (23778135208800).

Almost surely, 2^{663306141603366} is an apocalyptic number.

663306141603366 is an abundant number, since it is smaller than the sum of its proper divisors (858494511759834).

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

663306141603366 is a wasteful number, since it uses less digits than its factorization.

663306141603366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62025562 (or 62025556 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 54.

The spelling of 663306141603366 in words is "six hundred sixty-three trillion, three hundred six billion, one hundred forty-one million, six hundred three thousand, three hundred sixty-six".