196228656 has 200 divisors, whose sum is σ = 644871920. Its totient is φ = 57106944.

The previous prime is 196228633. The next prime is 196228673. The reversal of 196228656 is 656822691.

196228656 is a `hidden beast` number, since 19 + 622 + 8 + 6 + 5 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 319806 + ... + 320418.

Almost surely, 2^196228656 is an apocalyptic number.

196228656 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 196228656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322435960).

196228656 is an abundant number, since it is smaller than the sum of its proper divisors (448643264).

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

196228656 is a wasteful number, since it uses less digits than its factorization.

196228656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 650 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 196228656 is about 14008.1639053803. The cubic root of 196228656 is about 581.1043722580.

The spelling of 196228656 in words is "one hundred ninety-six million, two hundred twenty-eight thousand, six hundred fifty-six".