16674 has 16 divisors (see below), whose sum is σ = 38208. Its totient is φ = 4752.

The previous prime is 16673. The next prime is 16691. The reversal of 16674 is 47661.

It is a Curzon number.

It is a plaindrome in base 11 and base 13.

It is a nialpdrome in base 7 and base 14.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157 + ... + 240.

It is an arithmetic number, because the mean of its divisors is an integer number (2388).

2¹⁶⁶⁷⁴ is an apocalyptic number.

16674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16674 is an abundant number, since it is smaller than the sum of its proper divisors (21534).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19104).

16674 is a wasteful number, since it uses less digits than its factorization.

16674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its digits is 1008, while the sum is 24.

The square root of 16674 is about 129.1278436279. The cubic root of 16674 is about 25.5473935988.

The spelling of 16674 in words is "sixteen thousand, six hundred seventy-four".