918321161171 has 2 divisors, whose sum is σ = 918321161172. Its totient is φ = 918321161170.

The previous prime is 918321161143. The next prime is 918321161179. The reversal of 918321161171 is 171161123819.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 918321161171 - 2¹⁴ = 918321144787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (918321161179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459160580585 + 459160580586.

It is an arithmetic number, because the mean of its divisors is an integer number (459160580586).

Almost surely, 2^918321161171 is an apocalyptic number.

918321161171 is a deficient number, since it is larger than the sum of its proper divisors (1).

918321161171 is an equidigital number, since it uses as much as digits as its factorization.

918321161171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 41.

The spelling of 918321161171 in words is "nine hundred eighteen billion, three hundred twenty-one million, one hundred sixty-one thousand, one hundred seventy-one".