198000823017 has 8 divisors (see below), whose sum is σ = 264236187424. Its totient is φ = 131883003648.

The previous prime is 198000822989. The next prime is 198000823039. The reversal of 198000823017 is 710328000891.

198000823017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198000823017 - 2¹⁸ = 198000560873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198000423017) 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 7 ways as a sum of consecutive naturals, for example, 29382328 + ... + 29389065.

It is an arithmetic number, because the mean of its divisors is an integer number (33029523428).

Almost surely, 2^198000823017 is an apocalyptic number.

It is an amenable number.

198000823017 is a deficient number, since it is larger than the sum of its proper divisors (66235364407).

198000823017 is a wasteful number, since it uses less digits than its factorization.

198000823017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58772519.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 198000823017 in words is "one hundred ninety-eight billion, eight hundred twenty-three thousand, seventeen".