8066916693 has 18 divisors (see below), whose sum is σ = 12807806102. Its totient is φ = 4889039760.

The previous prime is 8066916679. The next prime is 8066916713. The reversal of 8066916693 is 3966196608.

8066916693 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6070435569 + 1996481124 = 77913^2 + 44682^2 .

It is not a de Polignac number, because 8066916693 - 2⁴ = 8066916677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8066916623) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3702730 + ... + 3704907.

Almost surely, 2^8066916693 is an apocalyptic number.

It is an amenable number.

8066916693 is a deficient number, since it is larger than the sum of its proper divisors (4740889409).

8066916693 is a wasteful number, since it uses less digits than its factorization.

8066916693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407665 (or 7407651 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 8066916693 is about 89816.0157933985. The cubic root of 8066916693 is about 2005.5609148659.

The spelling of 8066916693 in words is "eight billion, sixty-six million, nine hundred sixteen thousand, six hundred ninety-three".