1116002165 has 8 divisors (see below), whose sum is σ = 1371866328. Its totient is φ = 871025920.

The previous prime is 1116002161. The next prime is 1116002191. The reversal of 1116002165 is 5612006111.

It can be written as a sum of positive squares in 4 ways, for example, as 184470724 + 931531441 = 13582^2 + 30521^2 .

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

It is not a de Polignac number, because 1116002165 - 2² = 1116002161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1116002165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116002161) 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, 2721752 + ... + 2722161.

It is an arithmetic number, because the mean of its divisors is an integer number (171483291).

Almost surely, 2^1116002165 is an apocalyptic number.

It is an amenable number.

1116002165 is a deficient number, since it is larger than the sum of its proper divisors (255864163).

1116002165 is an equidigital number, since it uses as much as digits as its factorization.

1116002165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443959.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1116002165 is about 33406.6185807543. The cubic root of 1116002165 is about 1037.2617082775.

Adding to 1116002165 its reverse (5612006111), we get a palindrome (6728008276).

The spelling of 1116002165 in words is "one billion, one hundred sixteen million, two thousand, one hundred sixty-five".