16068289 has 2 divisors, whose sum is σ = 16068290. Its totient is φ = 16068288.

The previous prime is 16068287. The next prime is 16068347. The reversal of 16068289 is 98286061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16064064 + 4225 = 4008^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 16068289 - 2¹ = 16068287 is a prime.

It is a super-2 number, since 2×16068289² = 516379822775042, which contains 22 as substring.

Together with 16068287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16068287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8034144 + 8034145.

It is an arithmetic number, because the mean of its divisors is an integer number (8034145).

Almost surely, 2^16068289 is an apocalyptic number.

It is an amenable number.

16068289 is a deficient number, since it is larger than the sum of its proper divisors (1).

16068289 is an equidigital number, since it uses as much as digits as its factorization.

16068289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 16068289 is about 4008.5270362067. The cubic root of 16068289 is about 252.3421959446.

The spelling of 16068289 in words is "sixteen million, sixty-eight thousand, two hundred eighty-nine".