198160441 has 2 divisors, whose sum is σ = 198160442. Its totient is φ = 198160440.

The previous prime is 198160423. The next prime is 198160447. The reversal of 198160441 is 144061891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158659216 + 39501225 = 12596^2 + 6285^2 .

It is an emirp because it is prime and its reverse (144061891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198160441 - 2¹¹ = 198158393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198160397 and 198160406.

It is not a weakly prime, because it can be changed into another prime (198160447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99080220 + 99080221.

It is an arithmetic number, because the mean of its divisors is an integer number (99080221).

Almost surely, 2^198160441 is an apocalyptic number.

It is an amenable number.

198160441 is a deficient number, since it is larger than the sum of its proper divisors (1).

198160441 is an equidigital number, since it uses as much as digits as its factorization.

198160441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 198160441 is about 14076.9471477306. The cubic root of 198160441 is about 583.0050545475.

The spelling of 198160441 in words is "one hundred ninety-eight million, one hundred sixty thousand, four hundred forty-one".