16112182512 has 80 divisors (see below), whose sum is σ = 42391036800. Its totient is φ = 5272202496.

The previous prime is 16112182511. The next prime is 16112182561. The reversal of 16112182512 is 21528121161.

It is a self number, because there is not a number n which added to its sum of digits gives 16112182512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16112182511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933739 + ... + 950837.

It is an arithmetic number, because the mean of its divisors is an integer number (529887960).

Almost surely, 2^16112182512 is an apocalyptic number.

16112182512 is a gapful number since it is divisible by the number (12) 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 16112182512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21195518400).

16112182512 is an abundant number, since it is smaller than the sum of its proper divisors (26278854288).

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

16112182512 is a wasteful number, since it uses less digits than its factorization.

16112182512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17470 (or 17464 counting only the distinct ones).

The product of its digits is 1920, while the sum is 30.

The spelling of 16112182512 in words is "sixteen billion, one hundred twelve million, one hundred eighty-two thousand, five hundred twelve".