171163117 has 2 divisors, whose sum is σ = 171163118. Its totient is φ = 171163116.

The previous prime is 171163103. The next prime is 171163163. The reversal of 171163117 is 711361171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142229476 + 28933641 = 11926^2 + 5379^2 .

It is a cyclic number.

It is not a de Polignac number, because 171163117 - 2¹¹ = 171161069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171103117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85581558 + 85581559.

It is an arithmetic number, because the mean of its divisors is an integer number (85581559).

Almost surely, 2^171163117 is an apocalyptic number.

It is an amenable number.

171163117 is a deficient number, since it is larger than the sum of its proper divisors (1).

171163117 is an equidigital number, since it uses as much as digits as its factorization.

171163117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882, while the sum is 28.

The square root of 171163117 is about 13082.9322783541. The cubic root of 171163117 is about 555.2263416817.

The spelling of 171163117 in words is "one hundred seventy-one million, one hundred sixty-three thousand, one hundred seventeen".