16498 has 8 divisors (see below), whose sum is σ = 25308. Its totient is φ = 8064.

The previous prime is 16493. The next prime is 16519. The reversal of 16498 is 89461.

It can be written as a sum of positive squares in 2 ways, for example, as 15129 + 1369 = 123^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

16498 is an undulating number in base 15.

It is not an unprimeable number, because it can be changed into a prime (16493) by changing a digit.

16498 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90 + ... + 202.

2¹⁶⁴⁹⁸ is an apocalyptic number.

16498 is a deficient number, since it is larger than the sum of its proper divisors (8810).

16498 is a wasteful number, since it uses less digits than its factorization.

16498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188.

The product of its digits is 1728, while the sum is 28.

The square root of 16498 is about 128.4445405613. Note that the first 3 decimals coincide. The cubic root of 16498 is about 25.4571881919.

It can be divided in two parts, 164 and 98, that added together give a palindrome (262).

The spelling of 16498 in words is "sixteen thousand, four hundred ninety-eight".