16126289 has 8 divisors (see below), whose sum is σ = 16925760. Its totient is φ = 15335056.

The previous prime is 16126267. The next prime is 16126303. The reversal of 16126289 is 98262161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16126289 - 2¹⁶ = 16060753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16126259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159 + ... + 6075.

It is an arithmetic number, because the mean of its divisors is an integer number (2115720).

Almost surely, 2^16126289 is an apocalyptic number.

It is an amenable number.

16126289 is a deficient number, since it is larger than the sum of its proper divisors (799471).

16126289 is a wasteful number, since it uses less digits than its factorization.

16126289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119.

The product of its digits is 10368, while the sum is 35.

The square root of 16126289 is about 4015.7550971144. The cubic root of 16126289 is about 252.6454489910.

The spelling of 16126289 in words is "sixteen million, one hundred twenty-six thousand, two hundred eighty-nine".