168045271 has 2 divisors, whose sum is σ = 168045272. Its totient is φ = 168045270.

The previous prime is 168045259. The next prime is 168045307. The reversal of 168045271 is 172540861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168045271 - 2⁵ = 168045239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168045211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84022635 + 84022636.

It is an arithmetic number, because the mean of its divisors is an integer number (84022636).

Almost surely, 2^168045271 is an apocalyptic number.

168045271 is a deficient number, since it is larger than the sum of its proper divisors (1).

168045271 is an equidigital number, since it uses as much as digits as its factorization.

168045271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 168045271 is about 12963.2276459221. The cubic root of 168045271 is about 551.8343940219.

The spelling of 168045271 in words is "one hundred sixty-eight million, forty-five thousand, two hundred seventy-one".