171161359 has 2 divisors, whose sum is σ = 171161360. Its totient is φ = 171161358.

The previous prime is 171161311. The next prime is 171161381. The reversal of 171161359 is 953161171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 171161359 - 2⁷ = 171161231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171161399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85580679 + 85580680.

It is an arithmetic number, because the mean of its divisors is an integer number (85580680).

Almost surely, 2^171161359 is an apocalyptic number.

171161359 is a deficient number, since it is larger than the sum of its proper divisors (1).

171161359 is an equidigital number, since it uses as much as digits as its factorization.

171161359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 34.

The square root of 171161359 is about 13082.8650914087. The cubic root of 171161359 is about 555.2244407830.

The spelling of 171161359 in words is "one hundred seventy-one million, one hundred sixty-one thousand, three hundred fifty-nine".