18184191696 has 180 divisors, whose sum is σ = 56729181600. Its totient is φ = 5432380800.

The previous prime is 18184191691. The next prime is 18184191703. The reversal of 18184191696 is 69619148181.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18184191691) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1229755 + ... + 1244453.

It is an arithmetic number, because the mean of its divisors is an integer number (315162120).

Almost surely, 2^18184191696 is an apocalyptic number.

18184191696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18184191696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28364590800).

18184191696 is an abundant number, since it is smaller than the sum of its proper divisors (38544989904).

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

18184191696 is a wasteful number, since it uses less digits than its factorization.

18184191696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14806 (or 14786 counting only the distinct ones).

The product of its digits is 746496, while the sum is 54.

The spelling of 18184191696 in words is "eighteen billion, one hundred eighty-four million, one hundred ninety-one thousand, six hundred ninety-six".