16489499 has 6 divisors (see below), whose sum is σ = 17855676. Its totient is φ = 15220920.

The previous prime is 16489483. The next prime is 16489513. The reversal of 16489499 is 99498461.

It is a happy number.

It is not a de Polignac number, because 16489499 - 2⁴ = 16489483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16489409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48617 + ... + 48954.

It is an arithmetic number, because the mean of its divisors is an integer number (2975946).

Almost surely, 2^16489499 is an apocalyptic number.

16489499 is a deficient number, since it is larger than the sum of its proper divisors (1366177).

16489499 is an equidigital number, since it uses as much as digits as its factorization.

16489499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97597 (or 97584 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 16489499 is about 4060.7264128478. The cubic root of 16489499 is about 254.5281496005.

The spelling of 16489499 in words is "sixteen million, four hundred eighty-nine thousand, four hundred ninety-nine".