104406161 has 2 divisors, whose sum is σ = 104406162. Its totient is φ = 104406160.

The previous prime is 104406157. The next prime is 104406173. The reversal of 104406161 is 161604401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77986561 + 26419600 = 8831^2 + 5140^2 .

It is a cyclic number.

It is not a de Polignac number, because 104406161 - 2² = 104406157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (104406101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52203080 + 52203081.

It is an arithmetic number, because the mean of its divisors is an integer number (52203081).

Almost surely, 2^104406161 is an apocalyptic number.

It is an amenable number.

104406161 is a deficient number, since it is larger than the sum of its proper divisors (1).

104406161 is an equidigital number, since it uses as much as digits as its factorization.

104406161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 104406161 is about 10217.9333037557. The cubic root of 104406161 is about 470.8783349126.

The spelling of 104406161 in words is "one hundred four million, four hundred six thousand, one hundred sixty-one".