16005043 has 2 divisors, whose sum is σ = 16005044. Its totient is φ = 16005042.

The previous prime is 16005037. The next prime is 16005091. The reversal of 16005043 is 34050061.

It is a weak prime.

It is an emirp because it is prime and its reverse (34050061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16005043 is a prime.

It is a super-2 number, since 2×16005043² = 512322802863698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16005043.

It is not a weakly prime, because it can be changed into another prime (16005023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8002521 + 8002522.

It is an arithmetic number, because the mean of its divisors is an integer number (8002522).

Almost surely, 2^16005043 is an apocalyptic number.

16005043 is a deficient number, since it is larger than the sum of its proper divisors (1).

16005043 is an equidigital number, since it uses as much as digits as its factorization.

16005043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 16005043 is about 4000.6303253362. The cubic root of 16005043 is about 252.0106812891.

The spelling of 16005043 in words is "sixteen million, five thousand, forty-three".