198119511876 has 144 divisors (see below), whose sum is σ = 563698372608. Its totient is φ = 53630179200.

The previous prime is 198119511871. The next prime is 198119511899. The reversal of 198119511876 is 678115911891.

198119511876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198119511871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 548305 + ... + 834791.

It is an arithmetic number, because the mean of its divisors is an integer number (3914572032).

Almost surely, 2^198119511876 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 198119511876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281849186304).

198119511876 is an abundant number, since it is smaller than the sum of its proper divisors (365578860732).

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

198119511876 is a wasteful number, since it uses less digits than its factorization.

198119511876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286562 (or 286547 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 57.

The spelling of 198119511876 in words is "one hundred ninety-eight billion, one hundred nineteen million, five hundred eleven thousand, eight hundred seventy-six".