2165096105 has 4 divisors (see below), whose sum is σ = 2598115332. Its totient is φ = 1732076880.

The previous prime is 2165096071. The next prime is 2165096137. The reversal of 2165096105 is 5016905612.

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 874562329 + 1290533776 = 29573^2 + 35924^2 .

It is not a de Polignac number, because 2165096105 - 2¹⁰ = 2165095081 is a prime.

It is a super-2 number, since 2×2165096105² = 9375282287772342050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216509606 + ... + 216509615.

It is an arithmetic number, because the mean of its divisors is an integer number (649528833).

Almost surely, 2^2165096105 is an apocalyptic number.

It is an amenable number.

2165096105 is a deficient number, since it is larger than the sum of its proper divisors (433019227).

2165096105 is an equidigital number, since it uses as much as digits as its factorization.

2165096105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433019226.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 2165096105 is about 46530.5932156468. The cubic root of 2165096105 is about 1293.6766105227.

The spelling of 2165096105 in words is "two billion, one hundred sixty-five million, ninety-six thousand, one hundred five".