16813530858 has 8 divisors (see below), whose sum is σ = 33627061728. Its totient is φ = 5604510284.

The previous prime is 16813530857. The next prime is 16813530869. The reversal of 16813530858 is 85803531861.

It is a sphenic number, since it is the product of 3 distinct primes.

16813530858 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (16813530857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401127566 + ... + 1401127577.

It is an arithmetic number, because the mean of its divisors is an integer number (4203382716).

Almost surely, 2^16813530858 is an apocalyptic number.

16813530858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16813530858 is a wasteful number, since it uses less digits than its factorization.

16813530858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802255148.

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 16813530858 in words is "sixteen billion, eight hundred thirteen million, five hundred thirty thousand, eight hundred fifty-eight".