165836 has 12 divisors (see below), whose sum is σ = 316680. Its totient is φ = 75360.

The previous prime is 165833. The next prime is 165857. The reversal of 165836 is 638561.

165836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 165799 and 165808.

It is not an unprimeable number, because it can be changed into a prime (165833) 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, 1841 + ... + 1928.

It is an arithmetic number, because the mean of its divisors is an integer number (26390).

2¹⁶⁵⁸³⁶ is an apocalyptic number.

It is an amenable number.

165836 is a deficient number, since it is larger than the sum of its proper divisors (150844).

165836 is a wasteful number, since it uses less digits than its factorization.

165836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784 (or 3782 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 165836 is about 407.2296649312. The cubic root of 165836 is about 54.9405418060.

It can be divided in two parts, 165 and 836, that added together give a palindrome (1001).

The spelling of 165836 in words is "one hundred sixty-five thousand, eight hundred thirty-six".