10009165 has 4 divisors (see below), whose sum is σ = 12011004. Its totient is φ = 8007328.

The previous prime is 10009159. The next prime is 10009169. The reversal of 10009165 is 56190001.

10009165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2157961 + 7851204 = 1469^2 + 2802^2 .

It is a cyclic number.

It is not a de Polignac number, because 10009165 - 2⁵ = 10009133 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10009169) 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, 1000912 + ... + 1000921.

It is an arithmetic number, because the mean of its divisors is an integer number (3002751).

Almost surely, 2^10009165 is an apocalyptic number.

It is an amenable number.

10009165 is a deficient number, since it is larger than the sum of its proper divisors (2001839).

10009165 is an equidigital number, since it uses as much as digits as its factorization.

10009165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001838.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 10009165 is about 3163.7264420300. The cubic root of 10009165 is about 215.5092668858.

Adding to 10009165 its reverse (56190001), we get a palindrome (66199166).

The spelling of 10009165 in words is "ten million, nine thousand, one hundred sixty-five".