9116161 has 2 divisors, whose sum is σ = 9116162. Its totient is φ = 9116160.

The previous prime is 9116147. The next prime is 9116197. The reversal of 9116161 is 1616119.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8737936 + 378225 = 2956^2 + 615^2 .

It is an emirp because it is prime and its reverse (1616119) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9116161 - 2⁷ = 9116033 is a prime.

It is not a weakly prime, because it can be changed into another prime (9116111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4558080 + 4558081.

It is an arithmetic number, because the mean of its divisors is an integer number (4558081).

Almost surely, 2^9116161 is an apocalyptic number.

It is an amenable number.

9116161 is a deficient number, since it is larger than the sum of its proper divisors (1).

9116161 is an equidigital number, since it uses as much as digits as its factorization.

9116161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 25.

The square root of 9116161 is about 3019.2980972405. The cubic root of 9116161 is about 208.8994655481.

The spelling of 9116161 in words is "nine million, one hundred sixteen thousand, one hundred sixty-one".