16182297872 has 80 divisors (see below), whose sum is σ = 36409336320. Its totient is φ = 6903014400.

The previous prime is 16182297809. The next prime is 16182297889. The reversal of 16182297872 is 27879228161.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112097 + ... + 211967.

It is an arithmetic number, because the mean of its divisors is an integer number (455116704).

Almost surely, 2^16182297872 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 16182297872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18204668160).

16182297872 is an abundant number, since it is smaller than the sum of its proper divisors (20227038448).

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

16182297872 is a wasteful number, since it uses less digits than its factorization.

16182297872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99952 (or 99946 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 53.

The spelling of 16182297872 in words is "sixteen billion, one hundred eighty-two million, two hundred ninety-seven thousand, eight hundred seventy-two".