16228189849 has 2 divisors, whose sum is σ = 16228189850. Its totient is φ = 16228189848.

The previous prime is 16228189843. The next prime is 16228189877. The reversal of 16228189849 is 94898182261.

16228189849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12744829449 + 3483360400 = 112893^2 + 59020^2 .

It is an emirp because it is prime and its reverse (94898182261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16228189849 - 2³¹ = 14080706201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16228189793 and 16228189802.

It is not a weakly prime, because it can be changed into another prime (16228189843) 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, 8114094924 + 8114094925.

It is an arithmetic number, because the mean of its divisors is an integer number (8114094925).

Almost surely, 2^16228189849 is an apocalyptic number.

It is an amenable number.

16228189849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16228189849 is an equidigital number, since it uses as much as digits as its factorization.

16228189849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 58.

The spelling of 16228189849 in words is "sixteen billion, two hundred twenty-eight million, one hundred eighty-nine thousand, eight hundred forty-nine".