104066565 has 32 divisors (see below), whose sum is σ = 169478400. Its totient is φ = 54521856.

The previous prime is 104066563. The next prime is 104066603. The reversal of 104066565 is 565660401.

It is not a de Polignac number, because 104066565 - 2¹ = 104066563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104066563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298011 + ... + 298359.

It is an arithmetic number, because the mean of its divisors is an integer number (5296200).

Almost surely, 2^104066565 is an apocalyptic number.

104066565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104066565 is a deficient number, since it is larger than the sum of its proper divisors (65411835).

104066565 is a wasteful number, since it uses less digits than its factorization.

104066565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 104066565 is about 10201.3021227684. The cubic root of 104066565 is about 470.3672472958.

The spelling of 104066565 in words is "one hundred four million, sixty-six thousand, five hundred sixty-five".