16355 has 4 divisors (see below), whose sum is σ = 19632. Its totient is φ = 13080.

The previous prime is 16349. The next prime is 16361. The reversal of 16355 is 55361.

16355 = T₃₉ + T₄₀ + ... + T₅₃.

16355 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16349) and next prime (16361).

It is not a de Polignac number, because 16355 - 2⁴ = 16339 is a prime.

It is an Ulam number.

It is a Duffinian number.

16355 is strictly pandigital in base 6.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631 + ... + 1640.

It is an arithmetic number, because the mean of its divisors is an integer number (4908).

2¹⁶³⁵⁵ is an apocalyptic number.

16355 is a deficient number, since it is larger than the sum of its proper divisors (3277).

16355 is an equidigital number, since it uses as much as digits as its factorization.

16355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276.

The product of its digits is 450, while the sum is 20.

The square root of 16355 is about 127.8866685781. The cubic root of 16355 is about 25.3834227501.

The spelling of 16355 in words is "sixteen thousand, three hundred fifty-five".