196881446976 has 112 divisors (see below), whose sum is σ = 546325617024. Its totient is φ = 62454870016.

The previous prime is 196881446959. The next prime is 196881447001. The reversal of 196881446976 is 679644188691.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a self number, because there is not a number n which added to its sum of digits gives 196881446976.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756796 + ... + 983108.

Almost surely, 2^196881446976 is an apocalyptic number.

196881446976 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 196881446976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273162808512).

196881446976 is an abundant number, since it is smaller than the sum of its proper divisors (349444170048).

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

196881446976 is a wasteful number, since it uses less digits than its factorization.

196881446976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226548 (or 226538 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 69.

The spelling of 196881446976 in words is "one hundred ninety-six billion, eight hundred eighty-one million, four hundred forty-six thousand, nine hundred seventy-six".