8221206495916 has 48 divisors (see below), whose sum is σ = 15032475279360. Its totient is φ = 3926687885120.

The previous prime is 8221206495907. The next prime is 8221206495917. The reversal of 8221206495916 is 6195946021228.

It is not an unprimeable number, because it can be changed into a prime (8221206495917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525409605 + ... + 525425251.

It is an arithmetic number, because the mean of its divisors is an integer number (313176568320).

Almost surely, 2^{8221206495916} is an apocalyptic number.

It is an amenable number.

8221206495916 is a deficient number, since it is larger than the sum of its proper divisors (6811268783444).

8221206495916 is a wasteful number, since it uses less digits than its factorization.

8221206495916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22854 (or 22852 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 8221206495916 in words is "eight trillion, two hundred twenty-one billion, two hundred six million, four hundred ninety-five thousand, nine hundred sixteen".