16809451158 has 16 divisors (see below), whose sum is σ = 33684957360. Its totient is φ = 5592141216.

The previous prime is 16809451157. The next prime is 16809451187. The reversal of 16809451158 is 85115490861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16809451157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2748985 + ... + 2755092.

It is an arithmetic number, because the mean of its divisors is an integer number (2105309835).

Almost surely, 2^16809451158 is an apocalyptic number.

16809451158 is an abundant number, since it is smaller than the sum of its proper divisors (16875506202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16809451158 is a wasteful number, since it uses less digits than its factorization.

16809451158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504591.

The product of its (nonzero) digits is 345600, while the sum is 48.

The spelling of 16809451158 in words is "sixteen billion, eight hundred nine million, four hundred fifty-one thousand, one hundred fifty-eight".