16006043 has 4 divisors (see below), whose sum is σ = 16032768. Its totient is φ = 15979320.

The previous prime is 16006021. The next prime is 16006049. The reversal of 16006043 is 34060061.

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 16006043 - 2¹⁰ = 16005019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16006049) 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, 12443 + ... + 13668.

It is an arithmetic number, because the mean of its divisors is an integer number (4008192).

Almost surely, 2^16006043 is an apocalyptic number.

16006043 is a deficient number, since it is larger than the sum of its proper divisors (26725).

16006043 is an equidigital number, since it uses as much as digits as its factorization.

16006043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26724.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 16006043 is about 4000.7553036895. The cubic root of 16006043 is about 252.0159297480.

The spelling of 16006043 in words is "sixteen million, six thousand, forty-three".