165297163 has 2 divisors, whose sum is σ = 165297164. Its totient is φ = 165297162.

The previous prime is 165297157. The next prime is 165297179. The reversal of 165297163 is 361792561.

165297163 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 165297163 - 2²⁵ = 131742731 is a prime.

It is not a weakly prime, because it can be changed into another prime (165297193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82648581 + 82648582.

It is an arithmetic number, because the mean of its divisors is an integer number (82648582).

Almost surely, 2^165297163 is an apocalyptic number.

165297163 is a deficient number, since it is larger than the sum of its proper divisors (1).

165297163 is an equidigital number, since it uses as much as digits as its factorization.

165297163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 165297163 is about 12856.7944294058. The cubic root of 165297163 is about 548.8097267749.

The spelling of 165297163 in words is "one hundred sixty-five million, two hundred ninety-seven thousand, one hundred sixty-three".