104165563 has 4 divisors (see below), whose sum is σ = 104271040. Its totient is φ = 104060088.

The previous prime is 104165557. The next prime is 104165569. The reversal of 104165563 is 365561401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365561401 = 2707 ⋅135043.

It is an interprime number because it is at equal distance from previous prime (104165557) and next prime (104165569).

It is a cyclic number.

It is not a de Polignac number, because 104165563 - 2¹³ = 104157371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104165569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51243 + ... + 53236.

It is an arithmetic number, because the mean of its divisors is an integer number (26067760).

Almost surely, 2^104165563 is an apocalyptic number.

104165563 is a deficient number, since it is larger than the sum of its proper divisors (105477).

104165563 is an equidigital number, since it uses as much as digits as its factorization.

104165563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105476.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 104165563 is about 10206.1531930498. The cubic root of 104165563 is about 470.5163526905.

The spelling of 104165563 in words is "one hundred four million, one hundred sixty-five thousand, five hundred sixty-three".