8116244665 has 8 divisors (see below), whose sum is σ = 9740582280. Its totient is φ = 6492269952.

The previous prime is 8116244641. The next prime is 8116244693. The reversal of 8116244665 is 5664426118.

It can be written as a sum of positive squares in 4 ways, for example, as 1574184976 + 6542059689 = 39676^2 + 80883^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8116244665 - 2¹³ = 8116236473 is a prime.

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, 38820 + ... + 133189.

It is an arithmetic number, because the mean of its divisors is an integer number (1217572785).

Almost surely, 2^8116244665 is an apocalyptic number.

It is an amenable number.

8116244665 is a deficient number, since it is larger than the sum of its proper divisors (1624337615).

8116244665 is a wasteful number, since it uses less digits than its factorization.

8116244665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181451.

The product of its digits is 276480, while the sum is 43.

The square root of 8116244665 is about 90090.2029357244. The cubic root of 8116244665 is about 2009.6405110249.

The spelling of 8116244665 in words is "eight billion, one hundred sixteen million, two hundred forty-four thousand, six hundred sixty-five".