8297116181 has 2 divisors, whose sum is σ = 8297116182. Its totient is φ = 8297116180.

The previous prime is 8297116151. The next prime is 8297116183. The reversal of 8297116181 is 1816117928.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7682522500 + 614593681 = 87650^2 + 24791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8297116181 is a prime.

It is a super-2 number, since 2×8297116181² (a number of 21 digits) contains 22 as substring.

Together with 8297116183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8297116183) 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, 4148558090 + 4148558091.

It is an arithmetic number, because the mean of its divisors is an integer number (4148558091).

Almost surely, 2^8297116181 is an apocalyptic number.

It is an amenable number.

8297116181 is a deficient number, since it is larger than the sum of its proper divisors (1).

8297116181 is an equidigital number, since it uses as much as digits as its factorization.

8297116181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 44.

The square root of 8297116181 is about 91088.5074035139. The cubic root of 8297116181 is about 2024.4593328503.

The spelling of 8297116181 in words is "eight billion, two hundred ninety-seven million, one hundred sixteen thousand, one hundred eighty-one".