366161 has 2 divisors, whose sum is σ = 366162. Its totient is φ = 366160.

The previous prime is 366139. The next prime is 366167. The reversal of 366161 is 161663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295936 + 70225 = 544^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 366161 - 2⁶ = 366097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (366167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183080 + 183081.

It is an arithmetic number, because the mean of its divisors is an integer number (183081).

2³⁶⁶¹⁶¹ is an apocalyptic number.

It is an amenable number.

366161 is a deficient number, since it is larger than the sum of its proper divisors (1).

366161 is an equidigital number, since it uses as much as digits as its factorization.

366161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 366161 is about 605.1123862556. The cubic root of 366161 is about 71.5413880058.

The spelling of 366161 in words is "three hundred sixty-six thousand, one hundred sixty-one".