16844268585 has 16 divisors (see below), whose sum is σ = 27275540544. Its totient is φ = 8875372992.

The previous prime is 16844268547. The next prime is 16844268587. The reversal of 16844268585 is 58586244861.

It is not a de Polignac number, because 16844268585 - 2¹⁶ = 16844203049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16844268587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6763522 + ... + 6766011.

It is an arithmetic number, because the mean of its divisors is an integer number (1704721284).

Almost surely, 2^16844268585 is an apocalyptic number.

16844268585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16844268585 is a deficient number, since it is larger than the sum of its proper divisors (10431271959).

16844268585 is a wasteful number, since it uses less digits than its factorization.

16844268585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13529624.

The product of its digits is 14745600, while the sum is 57.

The spelling of 16844268585 in words is "sixteen billion, eight hundred forty-four million, two hundred sixty-eight thousand, five hundred eighty-five".