104684161 has 2 divisors, whose sum is σ = 104684162. Its totient is φ = 104684160.

The previous prime is 104684159. The next prime is 104684183. The reversal of 104684161 is 161486401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79121025 + 25563136 = 8895^2 + 5056^2 .

It is a cyclic number.

It is not a de Polignac number, because 104684161 - 2¹ = 104684159 is a prime.

Together with 104684159, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104684101) 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, 52342080 + 52342081.

It is an arithmetic number, because the mean of its divisors is an integer number (52342081).

Almost surely, 2^104684161 is an apocalyptic number.

It is an amenable number.

104684161 is a deficient number, since it is larger than the sum of its proper divisors (1).

104684161 is an equidigital number, since it uses as much as digits as its factorization.

104684161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 104684161 is about 10231.5277940296. The cubic root of 104684161 is about 471.2958969995.

The spelling of 104684161 in words is "one hundred four million, six hundred eighty-four thousand, one hundred sixty-one".