196696656 has 120 divisors (see below), whose sum is σ = 597149280. Its totient is φ = 60081408.

The previous prime is 196696651. The next prime is 196696679. The reversal of 196696656 is 656696691.

It is a happy number.

196696656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196696651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334795 + ... + 335381.

It is an arithmetic number, because the mean of its divisors is an integer number (4976244).

Almost surely, 2^196696656 is an apocalyptic number.

196696656 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 196696656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298574640).

196696656 is an abundant number, since it is smaller than the sum of its proper divisors (400452624).

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

196696656 is a wasteful number, since it uses less digits than its factorization.

196696656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 784 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 196696656 is about 14024.8585019600. The cubic root of 196696656 is about 581.5659781800.

The spelling of 196696656 in words is "one hundred ninety-six million, six hundred ninety-six thousand, six hundred fifty-six".