8060680665 has 24 divisors (see below), whose sum is σ = 13978722888. Its totient is φ = 4296913920.

The previous prime is 8060680651. The next prime is 8060680681. The reversal of 8060680665 is 5660860608.

It can be written as a sum of positive squares in 4 ways, for example, as 255488256 + 7805192409 = 15984^2 + 88347^2 .

It is not a de Polignac number, because 8060680665 - 2⁵ = 8060680633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8060680665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50607 + ... + 136683.

It is an arithmetic number, because the mean of its divisors is an integer number (582446787).

Almost surely, 2^8060680665 is an apocalyptic number.

It is an amenable number.

8060680665 is a deficient number, since it is larger than the sum of its proper divisors (5918042223).

8060680665 is a wasteful number, since it uses less digits than its factorization.

8060680665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88169 (or 88166 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 8060680665 is about 89781.2935137381. The cubic root of 8060680665 is about 2005.0439904694.

The spelling of 8060680665 in words is "eight billion, sixty million, six hundred eighty thousand, six hundred sixty-five".