18091677307 has 16 divisors (see below), whose sum is σ = 19922134752. Its totient is φ = 16292344320.

The previous prime is 18091677281. The next prime is 18091677323. The reversal of 18091677307 is 70377619081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18091677307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18091677337) 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, 3324793 + ... + 3330229.

It is an arithmetic number, because the mean of its divisors is an integer number (1245133422).

Almost surely, 2^18091677307 is an apocalyptic number.

18091677307 is a deficient number, since it is larger than the sum of its proper divisors (1830457445).

18091677307 is a wasteful number, since it uses less digits than its factorization.

18091677307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238.

The product of its (nonzero) digits is 444528, while the sum is 49.

The spelling of 18091677307 in words is "eighteen billion, ninety-one million, six hundred seventy-seven thousand, three hundred seven".