16317387 has 12 divisors (see below), whose sum is σ = 23670504. Its totient is φ = 10831680.

The previous prime is 16317361. The next prime is 16317391. The reversal of 16317387 is 78371361.

It is not a de Polignac number, because 16317387 - 2¹¹ = 16315339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16317337) 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 in 11 ways as a sum of consecutive naturals, for example, 1593 + ... + 5930.

It is an arithmetic number, because the mean of its divisors is an integer number (1972542).

Almost surely, 2^16317387 is an apocalyptic number.

16317387 is a deficient number, since it is larger than the sum of its proper divisors (7353117).

16317387 is a wasteful number, since it uses less digits than its factorization.

16317387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770 (or 7767 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 16317387 is about 4039.4785554574. The cubic root of 16317387 is about 253.6394900059.

The spelling of 16317387 in words is "sixteen million, three hundred seventeen thousand, three hundred eighty-seven".