10209165 has 8 divisors (see below), whose sum is σ = 16334688. Its totient is φ = 5444880.

The previous prime is 10209127. The next prime is 10209169. The reversal of 10209165 is 56190201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10209165 - 2⁷ = 10209037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10209169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340291 + ... + 340320.

It is an arithmetic number, because the mean of its divisors is an integer number (2041836).

Almost surely, 2^10209165 is an apocalyptic number.

10209165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10209165 is a deficient number, since it is larger than the sum of its proper divisors (6125523).

10209165 is an equidigital number, since it uses as much as digits as its factorization.

10209165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680619.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 10209165 is about 3195.1783987753. The cubic root of 10209165 is about 216.9352238577.

Adding to 10209165 its reverse (56190201), we get a palindrome (66399366).

The spelling of 10209165 in words is "ten million, two hundred nine thousand, one hundred sixty-five".