6858322940866 has 16 divisors (see below), whose sum is σ = 10296363760704. Its totient is φ = 3426201944464.

The previous prime is 6858322940773. The next prime is 6858322940929. The reversal of 6858322940866 is 6680492238586.

It is a super-2 number, since 2×6858322940866² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69189396 + ... + 69288448.

It is an arithmetic number, because the mean of its divisors is an integer number (643522735044).

Almost surely, 2^{6858322940866} is an apocalyptic number.

6858322940866 is a deficient number, since it is larger than the sum of its proper divisors (3438040819838).

6858322940866 is a wasteful number, since it uses less digits than its factorization.

6858322940866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128585.

The product of its (nonzero) digits is 238878720, while the sum is 67.

The spelling of 6858322940866 in words is "six trillion, eight hundred fifty-eight billion, three hundred twenty-two million, nine hundred forty thousand, eight hundred sixty-six".