6666718119 has 16 divisors (see below), whose sum is σ = 9366115200. Its totient is φ = 4206365856.

The previous prime is 6666718103. The next prime is 6666718129. The reversal of 6666718119 is 9118176666.

It is not a de Polignac number, because 6666718119 - 2⁴ = 6666718103 is a prime.

It is a super-2 number, since 2×6666718119² = 88890260956405796322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666718129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12 + ... + 115470.

It is an arithmetic number, because the mean of its divisors is an integer number (585382200).

Almost surely, 2^6666718119 is an apocalyptic number.

6666718119 is a deficient number, since it is larger than the sum of its proper divisors (2699397081).

6666718119 is a wasteful number, since it uses less digits than its factorization.

6666718119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116494.

The product of its digits is 653184, while the sum is 51.

The square root of 6666718119 is about 81649.9731720715. The cubic root of 6666718119 is about 1882.0768995995.

The spelling of 6666718119 in words is "six billion, six hundred sixty-six million, seven hundred eighteen thousand, one hundred nineteen".