16389834180 has 24 divisors (see below), whose sum is σ = 45891535872. Its totient is φ = 4370622432.

The previous prime is 16389834133. The next prime is 16389834187. The reversal of 16389834180 is 8143898361.

It is not an unprimeable number, because it can be changed into a prime (16389834187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136581892 + ... + 136582011.

It is an arithmetic number, because the mean of its divisors is an integer number (1912147328).

Almost surely, 2^16389834180 is an apocalyptic number.

16389834180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16389834180 is an abundant number, since it is smaller than the sum of its proper divisors (29501701692).

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

16389834180 is a wasteful number, since it uses less digits than its factorization.

16389834180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273163915 (or 273163913 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 16389834180 in words is "sixteen billion, three hundred eighty-nine million, eight hundred thirty-four thousand, one hundred eighty".