9206161 has 2 divisors, whose sum is σ = 9206162. Its totient is φ = 9206160.

The previous prime is 9206159. The next prime is 9206167. The reversal of 9206161 is 1616029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8910225 + 295936 = 2985^2 + 544^2 .

It is an emirp because it is prime and its reverse (1616029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9206161 - 2¹ = 9206159 is a prime.

Together with 9206159, it forms a pair of twin primes.

9206161 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9206167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4603080 + 4603081.

It is an arithmetic number, because the mean of its divisors is an integer number (4603081).

Almost surely, 2^9206161 is an apocalyptic number.

It is an amenable number.

9206161 is a deficient number, since it is larger than the sum of its proper divisors (1).

9206161 is an equidigital number, since it uses as much as digits as its factorization.

9206161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 9206161 is about 3034.1656184197. The cubic root of 9206161 is about 209.5846742213.

The spelling of 9206161 in words is "nine million, two hundred six thousand, one hundred sixty-one".