18082168832 has 160 divisors (see below), whose sum is σ = 44627352000. Its totient is φ = 7134511104.

The previous prime is 18082168829. The next prime is 18082168873. The reversal of 18082168832 is 23886128081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47710019 + ... + 47710397.

It is an arithmetic number, because the mean of its divisors is an integer number (278920950).

Almost surely, 2^18082168832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18082168832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22313676000).

18082168832 is an abundant number, since it is smaller than the sum of its proper divisors (26545183168).

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

18082168832 is an frugal number, since it uses more digits than its factorization.

18082168832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The spelling of 18082168832 in words is "eighteen billion, eighty-two million, one hundred sixty-eight thousand, eight hundred thirty-two".