1165846116709 has 4 divisors (see below), whose sum is σ = 1167378109740. Its totient is φ = 1164314123680.

The previous prime is 1165846116683. The next prime is 1165846116733. The reversal of 1165846116709 is 9076116485611.

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 964102500 + 1164882014209 = 31050^2 + 1079297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165846116709 - 2³⁷ = 1028407163237 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 1165846116709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165846116749) 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, 765995374 + ... + 765996895.

It is an arithmetic number, because the mean of its divisors is an integer number (291844527435).

Almost surely, 2^{1165846116709} is an apocalyptic number.

It is an amenable number.

1165846116709 is a deficient number, since it is larger than the sum of its proper divisors (1531993031).

1165846116709 is an equidigital number, since it uses as much as digits as its factorization.

1165846116709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531993030.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 1165846116709 in words is "one trillion, one hundred sixty-five billion, eight hundred forty-six million, one hundred sixteen thousand, seven hundred nine".