16005499 has 2 divisors, whose sum is σ = 16005500. Its totient is φ = 16005498.

The previous prime is 16005481. The next prime is 16005529. The reversal of 16005499 is 99450061.

It is a weak prime.

It is an emirp because it is prime and its reverse (99450061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16005499 - 2¹³ = 15997307 is a prime.

It is not a weakly prime, because it can be changed into another prime (16005599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8002749 + 8002750.

It is an arithmetic number, because the mean of its divisors is an integer number (8002750).

Almost surely, 2^16005499 is an apocalyptic number.

16005499 is a deficient number, since it is larger than the sum of its proper divisors (1).

16005499 is an equidigital number, since it uses as much as digits as its factorization.

16005499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 16005499 is about 4000.6873159496. The cubic root of 16005499 is about 252.0130746135.

The spelling of 16005499 in words is "sixteen million, five thousand, four hundred ninety-nine".