16486499 has 2 divisors, whose sum is σ = 16486500. Its totient is φ = 16486498.

The previous prime is 16486487. The next prime is 16486507. The reversal of 16486499 is 99468461.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (99468461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16486499 - 2²⁰ = 15437923 is a prime.

It is not a weakly prime, because it can be changed into another prime (16486199) 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 as a sum of consecutive naturals, namely, 8243249 + 8243250.

It is an arithmetic number, because the mean of its divisors is an integer number (8243250).

Almost surely, 2^16486499 is an apocalyptic number.

16486499 is a deficient number, since it is larger than the sum of its proper divisors (1).

16486499 is an equidigital number, since it uses as much as digits as its factorization.

16486499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 16486499 is about 4060.3570040084. The cubic root of 16486499 is about 254.5127128921.

The spelling of 16486499 in words is "sixteen million, four hundred eighty-six thousand, four hundred ninety-nine".