165828269 has 4 divisors (see below), whose sum is σ = 171177600. Its totient is φ = 160478940.

The previous prime is 165828263. The next prime is 165828277. The reversal of 165828269 is 962828561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 962828561 = 10099 ⋅95339.

It is not a de Polignac number, because 165828269 - 2¹² = 165824173 is a prime.

It is a super-2 number, since 2×165828269² = 54998029599072722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165828263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2674619 + ... + 2674680.

It is an arithmetic number, because the mean of its divisors is an integer number (42794400).

Almost surely, 2^165828269 is an apocalyptic number.

It is an amenable number.

165828269 is a deficient number, since it is larger than the sum of its proper divisors (5349331).

165828269 is an equidigital number, since it uses as much as digits as its factorization.

165828269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349330.

The product of its digits is 414720, while the sum is 47.

The square root of 165828269 is about 12877.4325469016. The cubic root of 165828269 is about 549.3968804701.

It can be divided in two parts, 16 and 5828269, that added together give a palindrome (5828285).

The spelling of 165828269 in words is "one hundred sixty-five million, eight hundred twenty-eight thousand, two hundred sixty-nine".