196712836656 has 320 divisors, whose sum is σ = 621731635200. Its totient is φ = 52383744000.

The previous prime is 196712836651. The next prime is 196712836699. The reversal of 196712836656 is 656638217691.

It is a self number, because there is not a number n which added to its sum of digits gives 196712836656.

It is not an unprimeable number, because it can be changed into a prime (196712836651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 211746400 + ... + 211747328.

It is an arithmetic number, because the mean of its divisors is an integer number (1942911360).

Almost surely, 2^196712836656 is an apocalyptic number.

196712836656 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 196712836656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310865817600).

196712836656 is an abundant number, since it is smaller than the sum of its proper divisors (425018798544).

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

196712836656 is a wasteful number, since it uses less digits than its factorization.

196712836656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1702 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 196712836656 in words is "one hundred ninety-six billion, seven hundred twelve million, eight hundred thirty-six thousand, six hundred fifty-six".