2098457161 has 2 divisors, whose sum is σ = 2098457162. Its totient is φ = 2098457160.

The previous prime is 2098457159. The next prime is 2098457173. The reversal of 2098457161 is 1617548902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1466890000 + 631567161 = 38300^2 + 25131^2 .

It is a cyclic number.

It is not a de Polignac number, because 2098457161 - 2¹ = 2098457159 is a prime.

Together with 2098457159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2098457111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049228580 + 1049228581.

It is an arithmetic number, because the mean of its divisors is an integer number (1049228581).

Almost surely, 2^2098457161 is an apocalyptic number.

It is an amenable number.

2098457161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098457161 is an equidigital number, since it uses as much as digits as its factorization.

2098457161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 2098457161 is about 45808.9201029668. The cubic root of 2098457161 is about 1280.2654806189.

The spelling of 2098457161 in words is "two billion, ninety-eight million, four hundred fifty-seven thousand, one hundred sixty-one".