66136 has 16 divisors (see below), whose sum is σ = 141840. Its totient is φ = 28320.

The previous prime is 66109. The next prime is 66137. The reversal of 66136 is 63166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66137) 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, 535 + ... + 646.

It is an arithmetic number, because the mean of its divisors is an integer number (8865).

2⁶⁶¹³⁶ is an apocalyptic number.

It is an amenable number.

66136 is an abundant number, since it is smaller than the sum of its proper divisors (75704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70920).

66136 is a wasteful number, since it uses less digits than its factorization.

66136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1190 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 66136 is about 257.1692049994. The cubic root of 66136 is about 40.4401391742.

It can be divided in two parts, 66 and 136, that added together give a palindrome (202).

The spelling of 66136 in words is "sixty-six thousand, one hundred thirty-six".