198054443496 has 192 divisors, whose sum is σ = 632515461120. Its totient is φ = 50548942080.

The previous prime is 198054443491. The next prime is 198054443593. The reversal of 198054443496 is 694344450891.

It is not an unprimeable number, because it can be changed into a prime (198054443491) 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 47 ways as a sum of consecutive naturals, for example, 767641 + ... + 992663.

It is an arithmetic number, because the mean of its divisors is an integer number (3294351360).

Almost surely, 2^198054443496 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 198054443496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316257730560).

198054443496 is an abundant number, since it is smaller than the sum of its proper divisors (434461017624).

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

198054443496 is a wasteful number, since it uses less digits than its factorization.

198054443496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225096 (or 225079 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 198054443496 in words is "one hundred ninety-eight billion, fifty-four million, four hundred forty-three thousand, four hundred ninety-six".