198385360849 has 16 divisors (see below), whose sum is σ = 218905840384. Its totient is φ = 178627680000.

The previous prime is 198385360847. The next prime is 198385360909. The reversal of 198385360849 is 948063583891.

198385360849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 198385360849 - 2¹ = 198385360847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198385360841) 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 15 ways as a sum of consecutive naturals, for example, 183529 + ... + 656089.

It is an arithmetic number, because the mean of its divisors is an integer number (13681615024).

Almost surely, 2^198385360849 is an apocalyptic number.

It is an amenable number.

198385360849 is a deficient number, since it is larger than the sum of its proper divisors (20520479535).

198385360849 is a wasteful number, since it uses less digits than its factorization.

198385360849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473368.

The product of its (nonzero) digits is 44789760, while the sum is 64.

The spelling of 198385360849 in words is "one hundred ninety-eight billion, three hundred eighty-five million, three hundred sixty thousand, eight hundred forty-nine".