198080611 has 2 divisors, whose sum is σ = 198080612. Its totient is φ = 198080610.

The previous prime is 198080593. The next prime is 198080627. The reversal of 198080611 is 116080891.

It is a strong prime.

It is an emirp because it is prime and its reverse (116080891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198080611 - 2¹¹ = 198078563 is a prime.

It is not a weakly prime, because it can be changed into another prime (198080671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99040305 + 99040306.

It is an arithmetic number, because the mean of its divisors is an integer number (99040306).

Almost surely, 2^198080611 is an apocalyptic number.

198080611 is a deficient number, since it is larger than the sum of its proper divisors (1).

198080611 is an equidigital number, since it uses as much as digits as its factorization.

198080611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 198080611 is about 14074.1113751455. Note that the first 3 decimals coincide. The cubic root of 198080611 is about 582.9267551243.

The spelling of 198080611 in words is "one hundred ninety-eight million, eighty thousand, six hundred eleven".