16455 has 8 divisors (see below), whose sum is σ = 26352. Its totient is φ = 8768.

The previous prime is 16453. The next prime is 16477. The reversal of 16455 is 55461.

It is a happy number.

16455 is nontrivially palindromic in base 14.

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

It is a cyclic number.

It is not a de Polignac number, because 16455 - 2¹ = 16453 is a prime.

It is a plaindrome in base 11.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (3294).

2¹⁶⁴⁵⁵ is an apocalyptic number.

16455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16455 is a deficient number, since it is larger than the sum of its proper divisors (9897).

16455 is a wasteful number, since it uses less digits than its factorization.

16455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its digits is 600, while the sum is 21.

The square root of 16455 is about 128.2770439323. The cubic root of 16455 is about 25.4350519430.

The spelling of 16455 in words is "sixteen thousand, four hundred fifty-five".