196712656 has 60 divisors (see below), whose sum is σ = 448846272. Its totient is φ = 83262144.

The previous prime is 196712653. The next prime is 196712657. The reversal of 196712656 is 656217691.

196712656 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 (196712653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63561 + ... + 66583.

Almost surely, 2^196712656 is an apocalyptic number.

196712656 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 196712656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224423136).

196712656 is an abundant number, since it is smaller than the sum of its proper divisors (252133616).

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

196712656 is a wasteful number, since it uses less digits than its factorization.

196712656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128 (or 3115 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 196712656 is about 14025.4289060977. The cubic root of 196712656 is about 581.5817466286.

The spelling of 196712656 in words is "one hundred ninety-six million, seven hundred twelve thousand, six hundred fifty-six".