8056221650 has 12 divisors (see below), whose sum is σ = 14984572362. Its totient is φ = 3222488640.

The previous prime is 8056221629. The next prime is 8056221709. The reversal of 8056221650 is 561226508.

It can be written as a sum of positive squares in 3 ways, for example, as 7479309289 + 576912361 = 86483^2 + 24019^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8056221650.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80562167 + ... + 80562266.

Almost surely, 2^8056221650 is an apocalyptic number.

8056221650 is a deficient number, since it is larger than the sum of its proper divisors (6928350712).

8056221650 is a wasteful number, since it uses less digits than its factorization.

8056221650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161124445 (or 161124440 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 8056221650 is about 89756.4574278642. The cubic root of 8056221650 is about 2004.6742048941.

The spelling of 8056221650 in words is "eight billion, fifty-six million, two hundred twenty-one thousand, six hundred fifty".