104668591 has 2 divisors, whose sum is σ = 104668592. Its totient is φ = 104668590.

The previous prime is 104668589. The next prime is 104668621. The reversal of 104668591 is 195866401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104668591 - 2¹ = 104668589 is a prime.

Together with 104668589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104668391) 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, 52334295 + 52334296.

It is an arithmetic number, because the mean of its divisors is an integer number (52334296).

Almost surely, 2^104668591 is an apocalyptic number.

104668591 is a deficient number, since it is larger than the sum of its proper divisors (1).

104668591 is an equidigital number, since it uses as much as digits as its factorization.

104668591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 104668591 is about 10230.7668823016. The cubic root of 104668591 is about 471.2725300741.

The spelling of 104668591 in words is "one hundred four million, six hundred sixty-eight thousand, five hundred ninety-one".