16818059 has 4 divisors (see below), whose sum is σ = 17703240. Its totient is φ = 15932880.

The previous prime is 16818047. The next prime is 16818079. The reversal of 16818059 is 95081861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95081861 = 7 ⋅13583123.

It is a cyclic number.

It is not a de Polignac number, because 16818059 - 2¹² = 16813963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16818029) by changing a digit.

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, 442562 + ... + 442599.

It is an arithmetic number, because the mean of its divisors is an integer number (4425810).

Almost surely, 2^16818059 is an apocalyptic number.

16818059 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16818059 is a deficient number, since it is larger than the sum of its proper divisors (885181).

16818059 is an equidigital number, since it uses as much as digits as its factorization.

16818059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885180.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 16818059 is about 4100.9826871129. The cubic root of 16818059 is about 256.2075698933.

The spelling of 16818059 in words is "sixteen million, eight hundred eighteen thousand, fifty-nine".