5666816311 has 8 divisors (see below), whose sum is σ = 6313164480. Its totient is φ = 5050530912.

The previous prime is 5666816299. The next prime is 5666816317. The reversal of 5666816311 is 1136186665.

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 5666816311 - 2⁵ = 5666816279 is a prime.

It is a super-2 number, since 2×5666816311² = 64225614205231297442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666816317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7515295 + ... + 7516048.

It is an arithmetic number, because the mean of its divisors is an integer number (789145560).

Almost surely, 2^5666816311 is an apocalyptic number.

5666816311 is a deficient number, since it is larger than the sum of its proper divisors (646348169).

5666816311 is a wasteful number, since it uses less digits than its factorization.

5666816311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15031385.

The product of its digits is 155520, while the sum is 43.

The square root of 5666816311 is about 75278.2592187147. The cubic root of 5666816311 is about 1782.8427738026.

The spelling of 5666816311 in words is "five billion, six hundred sixty-six million, eight hundred sixteen thousand, three hundred eleven".