165071163 has 16 divisors (see below), whose sum is σ = 222957216. Its totient is φ = 108625920.

The previous prime is 165071149. The next prime is 165071167. The reversal of 165071163 is 361170561.

It is not a de Polignac number, because 165071163 - 2⁵ = 165071131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165071163.

It is not an unprimeable number, because it can be changed into a prime (165071167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78283 + ... + 80363.

It is an arithmetic number, because the mean of its divisors is an integer number (13934826).

Almost surely, 2^165071163 is an apocalyptic number.

165071163 is a deficient number, since it is larger than the sum of its proper divisors (57886053).

165071163 is a wasteful number, since it uses less digits than its factorization.

165071163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 165071163 is about 12848.0022960770. The cubic root of 165071163 is about 548.5594954835.

The spelling of 165071163 in words is "one hundred sixty-five million, seventy-one thousand, one hundred sixty-three".