18091676418718 has 32 divisors (see below), whose sum is σ = 32651167449600. Its totient is φ = 7344472686624.

The previous prime is 18091676418649. The next prime is 18091676418719. The reversal of 18091676418718 is 81781467619081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18091676418719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2801533 + ... + 6635656.

It is an arithmetic number, because the mean of its divisors is an integer number (1020348982800).

Almost surely, 2^{18091676418718} is an apocalyptic number.

18091676418718 is a deficient number, since it is larger than the sum of its proper divisors (14559491030882).

18091676418718 is a wasteful number, since it uses less digits than its factorization.

18091676418718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9444424.

The product of its (nonzero) digits is 32514048, while the sum is 67.

The spelling of 18091676418718 in words is "eighteen trillion, ninety-one billion, six hundred seventy-six million, four hundred eighteen thousand, seven hundred eighteen".