16189786734 has 16 divisors (see below), whose sum is σ = 35323171200. Its totient is φ = 4905995960.

The previous prime is 16189786661. The next prime is 16189786771. The reversal of 16189786734 is 43768798161.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 122649834 + ... + 122649965.

It is an arithmetic number, because the mean of its divisors is an integer number (2207698200).

Almost surely, 2^16189786734 is an apocalyptic number.

16189786734 is an abundant number, since it is smaller than the sum of its proper divisors (19133384466).

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

16189786734 is a wasteful number, since it uses less digits than its factorization.

16189786734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245299815.

The product of its digits is 12192768, while the sum is 60.

The spelling of 16189786734 in words is "sixteen billion, one hundred eighty-nine million, seven hundred eighty-six thousand, seven hundred thirty-four".