16454859 has 4 divisors (see below), whose sum is σ = 21939816. Its totient is φ = 10969904.

The previous prime is 16454843. The next prime is 16454863. The reversal of 16454859 is 95845461.

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

It is a cyclic number.

It is not a de Polignac number, because 16454859 - 2⁴ = 16454843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16454859.

It is not an unprimeable number, because it can be changed into a prime (16454869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742474 + ... + 2742479.

It is an arithmetic number, because the mean of its divisors is an integer number (5484954).

Almost surely, 2^16454859 is an apocalyptic number.

16454859 is a deficient number, since it is larger than the sum of its proper divisors (5484957).

16454859 is an equidigital number, since it uses as much as digits as its factorization.

16454859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484956.

The product of its digits is 172800, while the sum is 42.

The square root of 16454859 is about 4056.4589237412. The cubic root of 16454859 is about 254.3497929331.

The spelling of 16454859 in words is "sixteen million, four hundred fifty-four thousand, eight hundred fifty-nine".