196528781852 has 96 divisors (see below), whose sum is σ = 380572867584. Its totient is φ = 88249190400.

The previous prime is 196528781833. The next prime is 196528781873. The reversal of 196528781852 is 258187825691.

196528781852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 180135827 + ... + 180136917.

It is an arithmetic number, because the mean of its divisors is an integer number (3964300704).

Almost surely, 2^196528781852 is an apocalyptic number.

It is an amenable number.

196528781852 is a deficient number, since it is larger than the sum of its proper divisors (184044085732).

196528781852 is a wasteful number, since it uses less digits than its factorization.

196528781852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1777 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 62.

The spelling of 196528781852 in words is "one hundred ninety-six billion, five hundred twenty-eight million, seven hundred eighty-one thousand, eight hundred fifty-two".