6711665223 has 4 divisors (see below), whose sum is σ = 8948886968. Its totient is φ = 4474443480.

The previous prime is 6711665197. The next prime is 6711665227. The reversal of 6711665223 is 3225661176.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6711665223 - 2¹⁰ = 6711664199 is a prime.

It is a super-3 number, since 3×6711665223³ (a number of 30 digits) contains 333 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 (6711665227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118610868 + ... + 1118610873.

It is an arithmetic number, because the mean of its divisors is an integer number (2237221742).

Almost surely, 2^6711665223 is an apocalyptic number.

6711665223 is a deficient number, since it is larger than the sum of its proper divisors (2237221745).

6711665223 is a wasteful number, since it uses less digits than its factorization.

6711665223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237221744.

The product of its digits is 90720, while the sum is 39.

The square root of 6711665223 is about 81924.7534204406. The cubic root of 6711665223 is about 1886.2970922259.

The spelling of 6711665223 in words is "six billion, seven hundred eleven million, six hundred sixty-five thousand, two hundred twenty-three".