11699161 has 2 divisors, whose sum is σ = 11699162. Its totient is φ = 11699160.

The previous prime is 11699159. The next prime is 11699173. The reversal of 11699161 is 16199611.

11699161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6859161 + 4840000 = 2619^2 + 2200^2 .

It is a cyclic number.

It is not a de Polignac number, because 11699161 - 2¹ = 11699159 is a prime.

Together with 11699159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11699101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5849580 + 5849581.

It is an arithmetic number, because the mean of its divisors is an integer number (5849581).

Almost surely, 2^11699161 is an apocalyptic number.

It is an amenable number.

11699161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11699161 is an equidigital number, since it uses as much as digits as its factorization.

11699161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 34.

The square root of 11699161 is about 3420.4036311523. The cubic root of 11699161 is about 227.0134414728.

The spelling of 11699161 in words is "eleven million, six hundred ninety-nine thousand, one hundred sixty-one".