6716866291 has 8 divisors (see below), whose sum is σ = 7043669280. Its totient is φ = 6396409152.

The previous prime is 6716866279. The next prime is 6716866313. The reversal of 6716866291 is 1926686176.

6716866291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6716866291 - 2¹¹ = 6716864243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6716866231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1584295 + ... + 1588528.

It is an arithmetic number, because the mean of its divisors is an integer number (880458660).

Almost surely, 2^6716866291 is an apocalyptic number.

6716866291 is a deficient number, since it is larger than the sum of its proper divisors (326802989).

6716866291 is a wasteful number, since it uses less digits than its factorization.

6716866291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172925.

The product of its digits is 1306368, while the sum is 52.

The square root of 6716866291 is about 81956.4902310976. The cubic root of 6716866291 is about 1886.7842155648.

The spelling of 6716866291 in words is "six billion, seven hundred sixteen million, eight hundred sixty-six thousand, two hundred ninety-one".