66196 has 24 divisors (see below), whose sum is σ = 133280. Its totient is φ = 28512.

The previous prime is 66191. The next prime is 66221. The reversal of 66196 is 69166.

66196 = T₃₉ + T₄₀ + ... + T₇₆.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66191) 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 7 ways as a sum of consecutive naturals, for example, 955 + ... + 1021.

2⁶⁶¹⁹⁶ is an apocalyptic number.

It is an amenable number.

66196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (66640).

66196 is a wasteful number, since it uses less digits than its factorization.

66196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 101 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 66196 is about 257.2858332672. The cubic root of 66196 is about 40.4523648655.

It can be divided in two parts, 661 and 96, that added together give a palindrome (757).

The spelling of 66196 in words is "sixty-six thousand, one hundred ninety-six".