66236 has 12 divisors (see below), whose sum is σ = 120120. Its totient is φ = 31920.

The previous prime is 66221. The next prime is 66239. The reversal of 66236 is 63266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66239) by changing a digit.

66236 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170 + ... + 401.

It is an arithmetic number, because the mean of its divisors is an integer number (10010).

2⁶⁶²³⁶ is an apocalyptic number.

It is an amenable number.

66236 is a deficient number, since it is larger than the sum of its proper divisors (53884).

66236 is a wasteful number, since it uses less digits than its factorization.

66236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 602 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 66236 is about 257.3635560836. The cubic root of 66236 is about 40.4605112227.

It can be divided in two parts, 662 and 36, that multiplied together give a palindrome (23832).

The spelling of 66236 in words is "sixty-six thousand, two hundred thirty-six".