8126556650 has 24 divisors (see below), whose sum is σ = 15772588704. Its totient is φ = 3109290800.

The previous prime is 8126556629. The next prime is 8126556707. The reversal of 8126556650 is 566556218.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3532136 + ... + 3534435.

It is an arithmetic number, because the mean of its divisors is an integer number (657191196).

Almost surely, 2^8126556650 is an apocalyptic number.

8126556650 is a deficient number, since it is larger than the sum of its proper divisors (7646032054).

8126556650 is a wasteful number, since it uses less digits than its factorization.

8126556650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066606 (or 7066601 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The square root of 8126556650 is about 90147.4162136664. The cubic root of 8126556650 is about 2010.4912580245.

The spelling of 8126556650 in words is "eight billion, one hundred twenty-six million, five hundred fifty-six thousand, six hundred fifty".