18360666136726 has 8 divisors (see below), whose sum is σ = 28212730893144. Its totient is φ = 8956422505680.

The previous prime is 18360666136723. The next prime is 18360666136751. The reversal of 18360666136726 is 62763166606381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18360666136726² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18360666136723) by changing a digit.

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, 111955281240 + ... + 111955281403.

It is an arithmetic number, because the mean of its divisors is an integer number (3526591361643).

Almost surely, 2^{18360666136726} is an apocalyptic number.

18360666136726 is a deficient number, since it is larger than the sum of its proper divisors (9852064756418).

18360666136726 is a wasteful number, since it uses less digits than its factorization.

18360666136726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223910562686.

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 18360666136726 in words is "eighteen trillion, three hundred sixty billion, six hundred sixty-six million, one hundred thirty-six thousand, seven hundred twenty-six".