16473731118 has 96 divisors (see below), whose sum is σ = 36819167616. Its totient is φ = 4882078656.

The previous prime is 16473731083. The next prime is 16473731129. The reversal of 16473731118 is 81113737461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16473731118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20931921 + ... + 20932707.

It is an arithmetic number, because the mean of its divisors is an integer number (383532996).

Almost surely, 2^16473731118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16473731118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18409583808).

16473731118 is an abundant number, since it is smaller than the sum of its proper divisors (20345436498).

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

16473731118 is a wasteful number, since it uses less digits than its factorization.

16473731118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 927 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The spelling of 16473731118 in words is "sixteen billion, four hundred seventy-three million, seven hundred thirty-one thousand, one hundred eighteen".