16798 has 8 divisors (see below), whose sum is σ = 25992. Its totient is φ = 8136.

The previous prime is 16787. The next prime is 16811. The reversal of 16798 is 89761.

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

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

16798 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40 + ... + 187.

It is an arithmetic number, because the mean of its divisors is an integer number (3249).

16798 is a Friedman number, since it can be written as (8-1)^6/7-9, using all its digits and the basic arithmetic operations.

2¹⁶⁷⁹⁸ is an apocalyptic number.

16798 is a deficient number, since it is larger than the sum of its proper divisors (9194).

16798 is a wasteful number, since it uses less digits than its factorization.

16798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its digits is 3024, while the sum is 31.

The square root of 16798 is about 129.6070985710. The cubic root of 16798 is about 25.6105669267.

The spelling of 16798 in words is "sixteen thousand, seven hundred ninety-eight".