18608080681 has 8 divisors (see below), whose sum is σ = 18672399360. Its totient is φ = 18543793632.

The previous prime is 18608080679. The next prime is 18608080691.

18608080681 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 18608080681 - 2¹ = 18608080679 is a prime.

It is a super-2 number, since 2×18608080681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18608080691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2173896 + ... + 2182438.

It is an arithmetic number, because the mean of its divisors is an integer number (2334049920).

Almost surely, 2^18608080681 is an apocalyptic number.

It is an amenable number.

18608080681 is a deficient number, since it is larger than the sum of its proper divisors (64318679).

18608080681 is an equidigital number, since it uses as much as digits as its factorization.

18608080681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15815.

The product of its (nonzero) digits is 147456, while the sum is 46.

The spelling of 18608080681 in words is "eighteen billion, six hundred eight million, eighty thousand, six hundred eighty-one".