16458 has 16 divisors (see below), whose sum is σ = 35616. Its totient is φ = 5040.

The previous prime is 16453. The next prime is 16477. The reversal of 16458 is 85461.

It is a Curzon number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (16451) 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, 28 + ... + 183.

It is an arithmetic number, because the mean of its divisors is an integer number (2226).

2¹⁶⁴⁵⁸ is an apocalyptic number.

16458 is an abundant number, since it is smaller than the sum of its proper divisors (19158).

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 (17808).

16458 is a wasteful number, since it uses less digits than its factorization.

16458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its digits is 960, while the sum is 24.

The square root of 16458 is about 128.2887368400. The cubic root of 16458 is about 25.4365975830.

It can be divided in two parts, 1645 and 8, that added together give a triangular number (1653 = T₅₇).

The spelling of 16458 in words is "sixteen thousand, four hundred fifty-eight".