16698 has 24 divisors (see below), whose sum is σ = 38304. Its totient is φ = 4840.

The previous prime is 16693. The next prime is 16699. The reversal of 16698 is 89661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16691) by changing a digit.

16698 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 715 + ... + 737.

It is an arithmetic number, because the mean of its divisors is an integer number (1596).

2¹⁶⁶⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19152).

16698 is an abundant number, since it is smaller than the sum of its proper divisors (21606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16698 is a wasteful number, since it uses less digits than its factorization.

16698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 39 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 16698 is about 129.2207413692. The cubic root of 16698 is about 25.5596450782.

The spelling of 16698 in words is "sixteen thousand, six hundred ninety-eight".