16975387 has 8 divisors (see below), whose sum is σ = 19943280. Its totient is φ = 14244960.

The previous prime is 16975369. The next prime is 16975393. The reversal of 16975387 is 78357961.

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 16975387 - 2¹¹ = 16973339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16975307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59212 + ... + 59497.

It is an arithmetic number, because the mean of its divisors is an integer number (2492910).

Almost surely, 2^16975387 is an apocalyptic number.

16975387 is a deficient number, since it is larger than the sum of its proper divisors (2967893).

16975387 is a wasteful number, since it uses less digits than its factorization.

16975387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118733.

The product of its digits is 317520, while the sum is 46.

The square root of 16975387 is about 4120.1197798122. The cubic root of 16975387 is about 257.0040070635.

The spelling of 16975387 in words is "sixteen million, nine hundred seventy-five thousand, three hundred eighty-seven".