6816266918 has 8 divisors (see below), whose sum is σ = 10554219840.
Its totient is φ = 3298193640.
The previous prime is 6816266917. The next prime is 6816266957. The reversal of 6816266918 is 8196626186.
6816266918 is digitally balanced in base 5, 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 super-2 number, since 2×68162669182 = 92922989394842437448, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 6816266918.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6816266917) 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 3 ways as a sum of consecutive naturals, for example, 54969833 + ... + 54969956.
It is an arithmetic number, because the mean of its divisors is an integer number (1319277480).
Almost surely, 26816266918 is an apocalyptic number.
6816266918 is a deficient number, since it is larger than the sum of its proper divisors (3737952922).
6816266918 is a wasteful number, since it uses less digits than its factorization.
6816266918 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109939822.
The product of its digits is 1492992, while the sum is 53.
The square root of 6816266918 is about 82560.6862737950.
The cubic root of 6816266918 is about 1896.0459708257.
The spelling of 6816266918 in words is "six billion, eight hundred sixteen million, two hundred sixty-six thousand, nine hundred eighteen".