16718 has 8 divisors (see below), whose sum is σ = 27048. Its totient is φ = 7704.

The previous prime is 16703. The next prime is 16729. The reversal of 16718 is 81761.

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

It is a junction number, because it is equal to n+sod(n) for n = 16693 and 16702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296 + ... + 347.

It is an arithmetic number, because the mean of its divisors is an integer number (3381).

2¹⁶⁷¹⁸ is an apocalyptic number.

16718 is a deficient number, since it is larger than the sum of its proper divisors (10330).

16718 is a wasteful number, since it uses less digits than its factorization.

16718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658.

The product of its digits is 336, while the sum is 23.

The square root of 16718 is about 129.2981051679. The cubic root of 16718 is about 25.5698456800.

The spelling of 16718 in words is "sixteen thousand, seven hundred eighteen".