13622855866 has 32 divisors (see below), whose sum is σ = 21884670720. Its totient is φ = 6340680000.

The previous prime is 13622855849. The next prime is 13622855899. The reversal of 13622855866 is 66855822631.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2864991 + ... + 2869741.

It is an arithmetic number, because the mean of its divisors is an integer number (683895960).

Almost surely, 2^13622855866 is an apocalyptic number.

13622855866 is a deficient number, since it is larger than the sum of its proper divisors (8261814854).

13622855866 is a wasteful number, since it uses less digits than its factorization.

13622855866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070.

The product of its digits is 4147200, while the sum is 52.

The spelling of 13622855866 in words is "thirteen billion, six hundred twenty-two million, eight hundred fifty-five thousand, eight hundred sixty-six".