16228500109 has 2 divisors, whose sum is σ = 16228500110. Its totient is φ = 16228500108.

The previous prime is 16228500007. The next prime is 16228500173. The reversal of 16228500109 is 90100582261.

16228500109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11836787209 + 4391712900 = 108797^2 + 66270^2 .

It is a cyclic number.

It is not a de Polignac number, because 16228500109 - 2²¹ = 16226402957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16228500179) by changing a digit.

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 as a sum of consecutive naturals, namely, 8114250054 + 8114250055.

It is an arithmetic number, because the mean of its divisors is an integer number (8114250055).

Almost surely, 2^16228500109 is an apocalyptic number.

It is an amenable number.

16228500109 is a deficient number, since it is larger than the sum of its proper divisors (1).

16228500109 is an equidigital number, since it uses as much as digits as its factorization.

16228500109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 16228500109 in words is "sixteen billion, two hundred twenty-eight million, five hundred thousand, one hundred nine".