16268317 has 4 divisors (see below), whose sum is σ = 17519740. Its totient is φ = 15016896.

The previous prime is 16268309. The next prime is 16268321. The reversal of 16268317 is 71386261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71386261 = 193 ⋅369877.

It can be written as a sum of positive squares in 2 ways, for example, as 5861241 + 10407076 = 2421^2 + 3226^2 .

It is a cyclic number.

It is not a de Polignac number, because 16268317 - 2³ = 16268309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16268347) 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 in 3 ways as a sum of consecutive naturals, for example, 625692 + ... + 625717.

It is an arithmetic number, because the mean of its divisors is an integer number (4379935).

Almost surely, 2^16268317 is an apocalyptic number.

It is an amenable number.

16268317 is a deficient number, since it is larger than the sum of its proper divisors (1251423).

16268317 is a wasteful number, since it uses less digits than its factorization.

16268317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251422.

The product of its digits is 12096, while the sum is 34.

The square root of 16268317 is about 4033.4001785094. The cubic root of 16268317 is about 253.3849846591.

The spelling of 16268317 in words is "sixteen million, two hundred sixty-eight thousand, three hundred seventeen".