18091676418020 has 48 divisors (see below), whose sum is σ = 38022189004800. Its totient is φ = 7231020263040.

The previous prime is 18091676418019. The next prime is 18091676418097. The reversal of 18091676418020 is 2081467619081.

It is a super-2 number, since 2×18091676418020² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589847285 + ... + 589877955.

It is an arithmetic number, because the mean of its divisors is an integer number (792128937600).

Almost surely, 2^{18091676418020} is an apocalyptic number.

18091676418020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18091676418020 is an abundant number, since it is smaller than the sum of its proper divisors (19930512586780).

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

18091676418020 is a wasteful number, since it uses less digits than its factorization.

18091676418020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52748 (or 52746 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 18091676418020 in words is "eighteen trillion, ninety-one billion, six hundred seventy-six million, four hundred eighteen thousand, twenty".