16694043 has 8 divisors (see below), whose sum is σ = 22540800. Its totient is φ = 10988328.

The previous prime is 16694009. The next prime is 16694047. The reversal of 16694043 is 34049661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16694043 - 2¹⁷ = 16562971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16693995 and 16694013.

It is not an unprimeable number, because it can be changed into a prime (16694047) 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 7 ways as a sum of consecutive naturals, for example, 34983 + ... + 35456.

It is an arithmetic number, because the mean of its divisors is an integer number (2817600).

Almost surely, 2^16694043 is an apocalyptic number.

16694043 is a deficient number, since it is larger than the sum of its proper divisors (5846757).

16694043 is an equidigital number, since it uses as much as digits as its factorization.

16694043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70521.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 16694043 is about 4085.8344313004. The cubic root of 16694043 is about 255.5762592412.

The spelling of 16694043 in words is "sixteen million, six hundred ninety-four thousand, forty-three".