1164165 has 8 divisors (see below), whose sum is σ = 1862688. Its totient is φ = 620880.

The previous prime is 1164101. The next prime is 1164173. The reversal of 1164165 is 5614611.

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

It is not a de Polignac number, because 1164165 - 2⁶ = 1164101 is a prime.

It is a super-3 number, since 3×1164165³ = 4733309137782576375, which contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38791 + ... + 38820.

It is an arithmetic number, because the mean of its divisors is an integer number (232836).

2^1164165 is an apocalyptic number.

1164165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1164165 is a deficient number, since it is larger than the sum of its proper divisors (698523).

1164165 is an equidigital number, since it uses as much as digits as its factorization.

1164165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77619.

The product of its digits is 720, while the sum is 24.

The square root of 1164165 is about 1078.9647816310. The cubic root of 1164165 is about 105.1973612276.

Adding to 1164165 its reverse (5614611), we get a palindrome (6778776).

The spelling of 1164165 in words is "one million, one hundred sixty-four thousand, one hundred sixty-five".