16166143312 has 80 divisors (see below), whose sum is σ = 36733363200. Its totient is φ = 6813313920.

The previous prime is 16166143297. The next prime is 16166143333. The reversal of 16166143312 is 21334166161.

It is a super-2 number, since 2×16166143312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 105739 + ... + 208597.

It is an arithmetic number, because the mean of its divisors is an integer number (459167040).

Almost surely, 2^16166143312 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 16166143312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18366681600).

16166143312 is an abundant number, since it is smaller than the sum of its proper divisors (20567219888).

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

16166143312 is a wasteful number, since it uses less digits than its factorization.

16166143312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102944 (or 102938 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The spelling of 16166143312 in words is "sixteen billion, one hundred sixty-six million, one hundred forty-three thousand, three hundred twelve".