198683159357 has 2 divisors, whose sum is σ = 198683159358. Its totient is φ = 198683159356.

The previous prime is 198683159341. The next prime is 198683159393. The reversal of 198683159357 is 753951386891.

198683159357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195769966681 + 2913192676 = 442459^2 + 53974^2 .

It is a cyclic number.

It is not a de Polignac number, because 198683159357 - 2⁴ = 198683159341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198683159293 and 198683159302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198683159317) 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 as a sum of consecutive naturals, namely, 99341579678 + 99341579679.

It is an arithmetic number, because the mean of its divisors is an integer number (99341579679).

Almost surely, 2^198683159357 is an apocalyptic number.

It is an amenable number.

198683159357 is a deficient number, since it is larger than the sum of its proper divisors (1).

198683159357 is an equidigital number, since it uses as much as digits as its factorization.

198683159357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 65.

The spelling of 198683159357 in words is "one hundred ninety-eight billion, six hundred eighty-three million, one hundred fifty-nine thousand, three hundred fifty-seven".