16768543 has 12 divisors (see below), whose sum is σ = 18582760. Its totient is φ = 15119280.

The previous prime is 16768537. The next prime is 16768561. The reversal of 16768543 is 34586761.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-16768543 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16768496 and 16768505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16768513) 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 11 ways as a sum of consecutive naturals, for example, 16321 + ... + 17317.

Almost surely, 2^16768543 is an apocalyptic number.

16768543 is a deficient number, since it is larger than the sum of its proper divisors (1814217).

16768543 is a wasteful number, since it uses less digits than its factorization.

16768543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1147 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 16768543 is about 4094.9411473182. The cubic root of 16768543 is about 255.9558792372.

The spelling of 16768543 in words is "sixteen million, seven hundred sixty-eight thousand, five hundred forty-three".