13318816987184 has 20 divisors (see below), whose sum is σ = 25805277039600. Its totient is φ = 6659390654400.

The previous prime is 13318816987171. The next prime is 13318816987199. The reversal of 13318816987184 is 48178961881331.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6707717 + ... + 8463515.

It is an arithmetic number, because the mean of its divisors is an integer number (1290263851980).

Almost surely, 2^{13318816987184} is an apocalyptic number.

It is an amenable number.

13318816987184 is a deficient number, since it is larger than the sum of its proper divisors (12486460052416).

13318816987184 is a wasteful number, since it uses less digits than its factorization.

13318816987184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229908 (or 2229902 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 68.

The spelling of 13318816987184 in words is "thirteen trillion, three hundred eighteen billion, eight hundred sixteen million, nine hundred eighty-seven thousand, one hundred eighty-four".