18080681235692 has 12 divisors (see below), whose sum is σ = 32732267754480. Its totient is φ = 8728604734416.

The previous prime is 18080681235653. The next prime is 18080681235733. The reversal of 18080681235692 is 29653218608081.

It is a super-2 number, since 2×18080681235692² (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 3 ways as a sum of consecutive naturals, for example, 77933970728 + ... + 77933970959.

It is an arithmetic number, because the mean of its divisors is an integer number (2727688979540).

Almost surely, 2^{18080681235692} is an apocalyptic number.

It is an amenable number.

18080681235692 is a deficient number, since it is larger than the sum of its proper divisors (14651586518788).

18080681235692 is a wasteful number, since it uses less digits than its factorization.

18080681235692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155867941720 (or 155867941718 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 18080681235692 in words is "eighteen trillion, eighty billion, six hundred eighty-one million, two hundred thirty-five thousand, six hundred ninety-two".