11706161 has 2 divisors, whose sum is σ = 11706162. Its totient is φ = 11706160.

The previous prime is 11706157. The next prime is 11706181. The reversal of 11706161 is 16160711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8880400 + 2825761 = 2980^2 + 1681^2 .

It is a cyclic number.

It is not a de Polignac number, because 11706161 - 2² = 11706157 is a prime.

It is not a weakly prime, because it can be changed into another prime (11706181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5853080 + 5853081.

It is an arithmetic number, because the mean of its divisors is an integer number (5853081).

Almost surely, 2^11706161 is an apocalyptic number.

It is an amenable number.

11706161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11706161 is an equidigital number, since it uses as much as digits as its factorization.

11706161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11706161 is about 3421.4267491794. The cubic root of 11706161 is about 227.0587090283.

Adding to 11706161 its reverse (16160711), we get a palindrome (27866872).

The spelling of 11706161 in words is "eleven million, seven hundred six thousand, one hundred sixty-one".