16805055 has 8 divisors (see below), whose sum is σ = 26888112. Its totient is φ = 8962688.

The previous prime is 16805053. The next prime is 16805059. The reversal of 16805055 is 55050861.

It is a happy number.

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 16805055 - 2¹ = 16805053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16805053) 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, 560154 + ... + 560183.

It is an arithmetic number, because the mean of its divisors is an integer number (3361014).

Almost surely, 2^16805055 is an apocalyptic number.

16805055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16805055 is a deficient number, since it is larger than the sum of its proper divisors (10083057).

16805055 is a wasteful number, since it uses less digits than its factorization.

16805055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120345.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 16805055 is about 4099.3969068633. The cubic root of 16805055 is about 256.1415182298.

The spelling of 16805055 in words is "sixteen million, eight hundred five thousand, fifty-five".