6805369866 has 16 divisors (see below), whose sum is σ = 13628356704. Its totient is φ = 2265520464.

The previous prime is 6805369819. The next prime is 6805369867. The reversal of 6805369866 is 6689635086.

It is not an unprimeable number, because it can be changed into a prime (6805369867) 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, 729016 + ... + 738291.

It is an arithmetic number, because the mean of its divisors is an integer number (851772294).

Almost surely, 2^6805369866 is an apocalyptic number.

6805369866 is an abundant number, since it is smaller than the sum of its proper divisors (6822986838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6805369866 is a wasteful number, since it uses less digits than its factorization.

6805369866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468085.

The product of its (nonzero) digits is 11197440, while the sum is 57.

The square root of 6805369866 is about 82494.6656820912. The cubic root of 6805369866 is about 1895.0350395797.

The spelling of 6805369866 in words is "six billion, eight hundred five million, three hundred sixty-nine thousand, eight hundred sixty-six".