104841661 has 2 divisors, whose sum is σ = 104841662. Its totient is φ = 104841660.

The previous prime is 104841637. The next prime is 104841673. The reversal of 104841661 is 166148401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104755225 + 86436 = 10235^2 + 294^2 .

It is a cyclic number.

It is not a de Polignac number, because 104841661 - 2⁵ = 104841629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104841691) 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, 52420830 + 52420831.

It is an arithmetic number, because the mean of its divisors is an integer number (52420831).

Almost surely, 2^104841661 is an apocalyptic number.

It is an amenable number.

104841661 is a deficient number, since it is larger than the sum of its proper divisors (1).

104841661 is an equidigital number, since it uses as much as digits as its factorization.

104841661 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 104841661 is about 10239.2216989379. The cubic root of 104841661 is about 471.5321374764.

The spelling of 104841661 in words is "one hundred four million, eight hundred forty-one thousand, six hundred sixty-one".