8113598665 has 8 divisors (see below), whose sum is σ = 9825643080. Its totient is φ = 6431329152.

The previous prime is 8113598621. The next prime is 8113598737. The reversal of 8113598665 is 5668953118.

It can be written as a sum of positive squares in 4 ways, for example, as 3178817161 + 4934781504 = 56381^2 + 70248^2 .

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 8113598665 - 2⁹ = 8113598153 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, 7443124 + ... + 7444213.

It is an arithmetic number, because the mean of its divisors is an integer number (1228205385).

Almost surely, 2^8113598665 is an apocalyptic number.

It is an amenable number.

8113598665 is a deficient number, since it is larger than the sum of its proper divisors (1712044415).

8113598665 is a wasteful number, since it uses less digits than its factorization.

8113598665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14887451.

The product of its digits is 1555200, while the sum is 52.

The square root of 8113598665 is about 90075.5164570262. The cubic root of 8113598665 is about 2009.4220977490.

The spelling of 8113598665 in words is "eight billion, one hundred thirteen million, five hundred ninety-eight thousand, six hundred sixty-five".