9161693 has 2 divisors, whose sum is σ = 9161694. Its totient is φ = 9161692.

The previous prime is 9161689. The next prime is 9161707. The reversal of 9161693 is 3961619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6980164 + 2181529 = 2642^2 + 1477^2 .

It is an emirp because it is prime and its reverse (3961619) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9161693 - 2² = 9161689 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9161093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4580846 + 4580847.

It is an arithmetic number, because the mean of its divisors is an integer number (4580847).

Almost surely, 2^9161693 is an apocalyptic number.

It is an amenable number.

9161693 is a deficient number, since it is larger than the sum of its proper divisors (1).

9161693 is an equidigital number, since it uses as much as digits as its factorization.

9161693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 35.

The square root of 9161693 is about 3026.8288686346. The cubic root of 9161693 is about 209.2466810975.

The spelling of 9161693 in words is "nine million, one hundred sixty-one thousand, six hundred ninety-three".