13218192886648 has 32 divisors (see below), whose sum is σ = 25641276480000. Its totient is φ = 6380564319360.

The previous prime is 13218192886603. The next prime is 13218192886651. The reversal of 13218192886648 is 84668829181231.

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 7 ways as a sum of consecutive naturals, for example, 471723 + ... + 5163226.

It is an arithmetic number, because the mean of its divisors is an integer number (801289890000).

Almost surely, 2^{13218192886648} is an apocalyptic number.

It is an amenable number.

13218192886648 is a deficient number, since it is larger than the sum of its proper divisors (12423083593352).

13218192886648 is a wasteful number, since it uses less digits than its factorization.

13218192886648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645095 (or 5645091 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 67.

The spelling of 13218192886648 in words is "thirteen trillion, two hundred eighteen billion, one hundred ninety-two million, eight hundred eighty-six thousand, six hundred forty-eight".