18630024544568 has 16 divisors (see below), whose sum is σ = 34933296128280. Its totient is φ = 9314478910368.

The previous prime is 18630024544553. The next prime is 18630024544619. The reversal of 18630024544568 is 86544542003681.

It is a super-2 number, since 2×18630024544568² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 66521771 + ... + 66801242.

Almost surely, 2^{18630024544568} is an apocalyptic number.

It is an amenable number.

18630024544568 is a deficient number, since it is larger than the sum of its proper divisors (16303271583712).

18630024544568 is a wasteful number, since it uses less digits than its factorization.

18630024544568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133340486 (or 133340482 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 56.

The spelling of 18630024544568 in words is "eighteen trillion, six hundred thirty billion, twenty-four million, five hundred forty-four thousand, five hundred sixty-eight".