196919358216 has 256 divisors, whose sum is σ = 589588070400. Its totient is φ = 53644032000.

The previous prime is 196919358211. The next prime is 196919358239. The reversal of 196919358216 is 612853919691.

It is a self number, because there is not a number n which added to its sum of digits gives 196919358216.

It is not an unprimeable number, because it can be changed into a prime (196919358211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54957561 + ... + 54961143.

It is an arithmetic number, because the mean of its divisors is an integer number (2303078400).

Almost surely, 2^196919358216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196919358216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294794035200).

196919358216 is an abundant number, since it is smaller than the sum of its proper divisors (392668712184).

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

196919358216 is a wasteful number, since it uses less digits than its factorization.

196919358216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820 (or 3816 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 60.

The spelling of 196919358216 in words is "one hundred ninety-six billion, nine hundred nineteen million, three hundred fifty-eight thousand, two hundred sixteen".