165266169 has 8 divisors (see below), whose sum is σ = 220461792. Its totient is φ = 110124000.

The previous prime is 165266149. The next prime is 165266173. The reversal of 165266169 is 961662561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165266169 - 2¹² = 165262073 is a prime.

It is a super-2 number, since 2×165266169² = 54625813231873122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165266169.

It is not an unprimeable number, because it can be changed into a prime (165266119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5484 + ... + 18989.

It is an arithmetic number, because the mean of its divisors is an integer number (27557724).

Almost surely, 2^165266169 is an apocalyptic number.

It is an amenable number.

165266169 is a deficient number, since it is larger than the sum of its proper divisors (55195623).

165266169 is a wasteful number, since it uses less digits than its factorization.

165266169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26727.

The product of its digits is 116640, while the sum is 42.

The square root of 165266169 is about 12855.5890180108. The cubic root of 165266169 is about 548.7754231575.

The spelling of 165266169 in words is "one hundred sixty-five million, two hundred sixty-six thousand, one hundred sixty-nine".