16533043 has 4 divisors (see below), whose sum is σ = 16979920. Its totient is φ = 16086168.

The previous prime is 16533037. The next prime is 16533047. The reversal of 16533043 is 34033561.

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 16533043 - 2⁹ = 16532531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16532999 and 16533017.

It is not an unprimeable number, because it can be changed into a prime (16533047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223383 + ... + 223456.

It is an arithmetic number, because the mean of its divisors is an integer number (4244980).

Almost surely, 2^16533043 is an apocalyptic number.

16533043 is a deficient number, since it is larger than the sum of its proper divisors (446877).

16533043 is an equidigital number, since it uses as much as digits as its factorization.

16533043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446876.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 16533043 is about 4066.0844801848. The cubic root of 16533043 is about 254.7519977642.

The spelling of 16533043 in words is "sixteen million, five hundred thirty-three thousand, forty-three".