16128046289 has 2 divisors, whose sum is σ = 16128046290. Its totient is φ = 16128046288.

The previous prime is 16128046271. The next prime is 16128046301. The reversal of 16128046289 is 98264082161.

16128046289 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., 14528686225 + 1599360064 = 120535^2 + 39992^2 .

It is a cyclic number.

It is not a de Polignac number, because 16128046289 - 2³² = 11833078993 is a prime.

It is a super-2 number, since 2×16128046289² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16128046189) 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, 8064023144 + 8064023145.

It is an arithmetic number, because the mean of its divisors is an integer number (8064023145).

Almost surely, 2^16128046289 is an apocalyptic number.

It is an amenable number.

16128046289 is a deficient number, since it is larger than the sum of its proper divisors (1).

16128046289 is an equidigital number, since it uses as much as digits as its factorization.

16128046289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 16128046289 in words is "sixteen billion, one hundred twenty-eight million, forty-six thousand, two hundred eighty-nine".