663333424333366 has 64 divisors (see below), whose sum is σ = 1025613280512000. Its totient is φ = 321633242626176.

The previous prime is 663333424333357. The next prime is 663333424333409.

663333424333366 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×663333424333366² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 663333424333366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3213612535 + ... + 3213818941.

It is an arithmetic number, because the mean of its divisors is an integer number (16025207508000).

Almost surely, 2^{663333424333366} is an apocalyptic number.

663333424333366 is a deficient number, since it is larger than the sum of its proper divisors (362279856178634).

663333424333366 is a wasteful number, since it uses less digits than its factorization.

663333424333366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207613.

The product of its digits is 272097792, while the sum is 58.

The spelling of 663333424333366 in words is "six hundred sixty-three trillion, three hundred thirty-three billion, four hundred twenty-four million, three hundred thirty-three thousand, three hundred sixty-six".