33169 has 4 divisors (see below), whose sum is σ = 34020. Its totient is φ = 32320.

The previous prime is 33161. The next prime is 33179. The reversal of 33169 is 96133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96133 = 251 ⋅383.

It can be written as a sum of positive squares in 2 ways, for example, as 14400 + 18769 = 120^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 33169 - 2³ = 33161 is a prime.

It is a super-2 number, since 2×33169² = 2200365122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

33169 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364 + ... + 445.

It is an arithmetic number, because the mean of its divisors is an integer number (8505).

2³³¹⁶⁹ is an apocalyptic number.

It is an amenable number.

33169 is a deficient number, since it is larger than the sum of its proper divisors (851).

33169 is an equidigital number, since it uses as much as digits as its factorization.

33169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850.

The product of its digits is 486, while the sum is 22.

The square root of 33169 is about 182.1235844145. The cubic root of 33169 is about 32.1300049735.

It can be divided in two parts, 331 and 69, that added together give a square (400 = 20²).

The spelling of 33169 in words is "thirty-three thousand, one hundred sixty-nine".