18235080726368 has 48 divisors (see below), whose sum is σ = 40427334420480. Its totient is φ = 8021296502400.

The previous prime is 18235080726349. The next prime is 18235080726391. The reversal of 18235080726368 is 86362708053281.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835540808 + ... + 835562631.

It is an arithmetic number, because the mean of its divisors is an integer number (842236133760).

Almost surely, 2^{18235080726368} is an apocalyptic number.

It is an amenable number.

18235080726368 is an abundant number, since it is smaller than the sum of its proper divisors (22192253694112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18235080726368 is a wasteful number, since it uses less digits than its factorization.

18235080726368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671103491 (or 1671103483 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 18235080726368 in words is "eighteen trillion, two hundred thirty-five billion, eighty million, seven hundred twenty-six thousand, three hundred sixty-eight".