18068561179 has 4 divisors (see below), whose sum is σ = 18071656200. Its totient is φ = 18065466160.

The previous prime is 18068561143. The next prime is 18068561183. The reversal of 18068561179 is 97116586081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18068561179 - 2¹⁹ = 18068036891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18068561479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538737 + ... + 1550434.

It is an arithmetic number, because the mean of its divisors is an integer number (4517914050).

Almost surely, 2^18068561179 is an apocalyptic number.

18068561179 is a deficient number, since it is larger than the sum of its proper divisors (3095021).

18068561179 is an equidigital number, since it uses as much as digits as its factorization.

18068561179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095020.

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 18068561179 in words is "eighteen billion, sixty-eight million, five hundred sixty-one thousand, one hundred seventy-nine".