104163505 has 16 divisors (see below), whose sum is σ = 136915920. Its totient is φ = 75722752.

The previous prime is 104163487. The next prime is 104163581. The reversal of 104163505 is 505361401.

It can be written as a sum of positive squares in 8 ways, for example, as 1100401 + 103063104 = 1049^2 + 10152^2 .

It is a cyclic number.

It is not a de Polignac number, because 104163505 - 2¹³ = 104155313 is a prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 104163505.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 18664 + ... + 23593.

It is an arithmetic number, because the mean of its divisors is an integer number (8557245).

Almost surely, 2^104163505 is an apocalyptic number.

It is an amenable number.

104163505 is a deficient number, since it is larger than the sum of its proper divisors (32752415).

104163505 is a wasteful number, since it uses less digits than its factorization.

104163505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42308.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 104163505 is about 10206.0523710199. The cubic root of 104163505 is about 470.5132540048.

It can be divided in two parts, 1041 and 63505, that added together give a palindrome (64546).

The spelling of 104163505 in words is "one hundred four million, one hundred sixty-three thousand, five hundred five".