104718161 has 2 divisors, whose sum is σ = 104718162. Its totient is φ = 104718160.

The previous prime is 104718157. The next prime is 104718169. The reversal of 104718161 is 161817401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93702400 + 11015761 = 9680^2 + 3319^2 .

It is a cyclic number.

It is not a de Polignac number, because 104718161 - 2² = 104718157 is a prime.

It is not a weakly prime, because it can be changed into another prime (104718169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52359080 + 52359081.

It is an arithmetic number, because the mean of its divisors is an integer number (52359081).

Almost surely, 2^104718161 is an apocalyptic number.

It is an amenable number.

104718161 is a deficient number, since it is larger than the sum of its proper divisors (1).

104718161 is an equidigital number, since it uses as much as digits as its factorization.

104718161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 104718161 is about 10233.1891900815. The cubic root of 104718161 is about 471.3469149882.

The spelling of 104718161 in words is "one hundred four million, seven hundred eighteen thousand, one hundred sixty-one".