16743143 has 4 divisors (see below), whose sum is σ = 16790928. Its totient is φ = 16695360.

The previous prime is 16743137. The next prime is 16743151. The reversal of 16743143 is 34134761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16743143 - 2¹⁰ = 16742119 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 (16743173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23363 + ... + 24068.

It is an arithmetic number, because the mean of its divisors is an integer number (4197732).

Almost surely, 2^16743143 is an apocalyptic number.

16743143 is a deficient number, since it is larger than the sum of its proper divisors (47785).

16743143 is an equidigital number, since it uses as much as digits as its factorization.

16743143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47784.

The product of its digits is 6048, while the sum is 29.

The square root of 16743143 is about 4091.8385843041. The cubic root of 16743143 is about 255.8265783058.

The spelling of 16743143 in words is "sixteen million, seven hundred forty-three thousand, one hundred forty-three".