198361112833 has 4 divisors (see below), whose sum is σ = 213619659988. Its totient is φ = 183102565680.

The previous prime is 198361112827. The next prime is 198361112839. The reversal of 198361112833 is 338211163891.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 338211163891 = 25561 ⋅13231531.

It is an interprime number because it is at equal distance from previous prime (198361112827) and next prime (198361112839).

It can be written as a sum of positive squares in 2 ways, for example, as 10739591424 + 187621521409 = 103632^2 + 433153^2 .

It is a cyclic number.

It is not a de Polignac number, because 198361112833 - 2⁹ = 198361112321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198361112839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7629273558 + ... + 7629273583.

It is an arithmetic number, because the mean of its divisors is an integer number (53404914997).

Almost surely, 2^198361112833 is an apocalyptic number.

198361112833 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

198361112833 is a deficient number, since it is larger than the sum of its proper divisors (15258547155).

198361112833 is a wasteful number, since it uses less digits than its factorization.

198361112833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15258547154.

The product of its digits is 186624, while the sum is 46.

The spelling of 198361112833 in words is "one hundred ninety-eight billion, three hundred sixty-one million, one hundred twelve thousand, eight hundred thirty-three".