162169 has 4 divisors (see below), whose sum is σ = 185344. Its totient is φ = 138996.

The previous prime is 162143. The next prime is 162209. The reversal of 162169 is 961261.

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.

It is a cyclic number.

It is not a de Polignac number, because 162169 - 2¹⁵ = 129401 is a prime.

It is a super-2 number, since 2×162169² = 52597569122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11577 + ... + 11590.

It is an arithmetic number, because the mean of its divisors is an integer number (46336).

2¹⁶²¹⁶⁹ is an apocalyptic number.

162169 is the 233-rd hex number.

It is an amenable number.

162169 is a deficient number, since it is larger than the sum of its proper divisors (23175).

162169 is an equidigital number, since it uses as much as digits as its factorization.

162169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23174.

The product of its digits is 648, while the sum is 25.

The square root of 162169 is about 402.7021231630. The cubic root of 162169 is about 54.5325675784.

The spelling of 162169 in words is "one hundred sixty-two thousand, one hundred sixty-nine".