18122714661365 has 16 divisors (see below), whose sum is σ = 22307824405440. Its totient is φ = 14125417534080.

The previous prime is 18122714661319. The next prime is 18122714661397. The reversal of 18122714661365 is 56316641722181.

It is not a de Polignac number, because 18122714661365 - 2⁶ = 18122714661301 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 59661419 + ... + 59964408.

It is an arithmetic number, because the mean of its divisors is an integer number (1394239025340).

Almost surely, 2^{18122714661365} is an apocalyptic number.

It is an amenable number.

18122714661365 is a deficient number, since it is larger than the sum of its proper divisors (4185109744075).

18122714661365 is a wasteful number, since it uses less digits than its factorization.

18122714661365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119626612.

The product of its digits is 2903040, while the sum is 53.

The spelling of 18122714661365 in words is "eighteen trillion, one hundred twenty-two billion, seven hundred fourteen million, six hundred sixty-one thousand, three hundred sixty-five".