6818466311 has 4 divisors (see below), whose sum is σ = 7114921392. Its totient is φ = 6522011232.

The previous prime is 6818466307. The next prime is 6818466323. The reversal of 6818466311 is 1136648186.

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

It is a cyclic number.

It is not a de Polignac number, because 6818466311 - 2² = 6818466307 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 (6818466371) 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, 148227506 + ... + 148227551.

It is an arithmetic number, because the mean of its divisors is an integer number (1778730348).

Almost surely, 2^6818466311 is an apocalyptic number.

6818466311 is a deficient number, since it is larger than the sum of its proper divisors (296455081).

6818466311 is a wasteful number, since it uses less digits than its factorization.

6818466311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296455080.

The product of its digits is 165888, while the sum is 44.

The square root of 6818466311 is about 82574.0050560708. The cubic root of 6818466311 is about 1896.2498801816.

The spelling of 6818466311 in words is "six billion, eight hundred eighteen million, four hundred sixty-six thousand, three hundred eleven".