16844580069 has 16 divisors (see below), whose sum is σ = 22595020800. Its totient is φ = 11162044080.

The previous prime is 16844580047. The next prime is 16844580113. The reversal of 16844580069 is 96008544861.

It is not a de Polignac number, because 16844580069 - 2⁵ = 16844580037 is a prime.

It is a super-2 number, since 2×16844580069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16844580569) 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, 601824 + ... + 629190.

It is an arithmetic number, because the mean of its divisors is an integer number (1412188800).

Almost surely, 2^16844580069 is an apocalyptic number.

It is an amenable number.

16844580069 is a deficient number, since it is larger than the sum of its proper divisors (5750440731).

16844580069 is a wasteful number, since it uses less digits than its factorization.

16844580069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28600.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 16844580069 in words is "sixteen billion, eight hundred forty-four million, five hundred eighty thousand, sixty-nine".