196656 has 40 divisors (see below), whose sum is σ = 540144. Its totient is φ = 61440.

The previous prime is 196643. The next prime is 196657. The reversal of 196656 is 656691.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (196657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696 + ... + 936.

2¹⁹⁶⁶⁵⁶ is an apocalyptic number.

196656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270072).

196656 is an abundant number, since it is smaller than the sum of its proper divisors (343488).

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

196656 is a wasteful number, since it uses less digits than its factorization.

196656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 263 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 196656 is about 443.4591300221. The cubic root of 196656 is about 58.1525906705.

The spelling of 196656 in words is "one hundred ninety-six thousand, six hundred fifty-six".