16975641 has 4 divisors (see below), whose sum is σ = 22634192. Its totient is φ = 11317092.

The previous prime is 16975613. The next prime is 16975649. The reversal of 16975641 is 14657961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16975641 - 2⁶ = 16975577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16975641.

It is not an unprimeable number, because it can be changed into a prime (16975649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2829271 + ... + 2829276.

It is an arithmetic number, because the mean of its divisors is an integer number (5658548).

Almost surely, 2^16975641 is an apocalyptic number.

It is an amenable number.

16975641 is a deficient number, since it is larger than the sum of its proper divisors (5658551).

16975641 is an equidigital number, since it uses as much as digits as its factorization.

16975641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658550.

The product of its digits is 45360, while the sum is 39.

The square root of 16975641 is about 4120.1506040435. The cubic root of 16975641 is about 257.0052888938.

The spelling of 16975641 in words is "sixteen million, nine hundred seventy-five thousand, six hundred forty-one".