182918161 has 2 divisors, whose sum is σ = 182918162. Its totient is φ = 182918160.

The previous prime is 182918159. The next prime is 182918201. The reversal of 182918161 is 161819281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142659136 + 40259025 = 11944^2 + 6345^2 .

It is a cyclic number.

It is not a de Polignac number, because 182918161 - 2¹ = 182918159 is a prime.

Together with 182918159, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 182918161.

It is not a weakly prime, because it can be changed into another prime (182918761) 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, 91459080 + 91459081.

It is an arithmetic number, because the mean of its divisors is an integer number (91459081).

Almost surely, 2^182918161 is an apocalyptic number.

It is an amenable number.

182918161 is a deficient number, since it is larger than the sum of its proper divisors (1).

182918161 is an equidigital number, since it uses as much as digits as its factorization.

182918161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 37.

The square root of 182918161 is about 13524.7240637286. The cubic root of 182918161 is about 567.6564917386.

The spelling of 182918161 in words is "one hundred eighty-two million, nine hundred eighteen thousand, one hundred sixty-one".