170641171 has 2 divisors, whose sum is σ = 170641172. Its totient is φ = 170641170.

The previous prime is 170641153. The next prime is 170641193. The reversal of 170641171 is 171146071.

170641171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 170641171 - 2¹¹ = 170639123 is a prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (170641271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85320585 + 85320586.

It is an arithmetic number, because the mean of its divisors is an integer number (85320586).

Almost surely, 2^170641171 is an apocalyptic number.

170641171 is a deficient number, since it is larger than the sum of its proper divisors (1).

170641171 is an equidigital number, since it uses as much as digits as its factorization.

170641171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 170641171 is about 13062.9694556789. The cubic root of 170641171 is about 554.6613966863.

The spelling of 170641171 in words is "one hundred seventy million, six hundred forty-one thousand, one hundred seventy-one".