16112996928 has 420 divisors, whose sum is σ = 56006260860. Its totient is φ = 4567062528.

The previous prime is 16112996927. The next prime is 16112996947. The reversal of 16112996928 is 82969921161.

It can be written as a sum of positive squares in 2 ways, for example, as 9364045824 + 6748951104 = 96768^2 + 82152^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

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

It is not an unprimeable number, because it can be changed into a prime (16112996927) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 58169526 + ... + 58169802.

Almost surely, 2^16112996928 is an apocalyptic number.

16112996928 is a gapful number since it is divisible by the number (18) 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 16112996928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28003130430).

16112996928 is an abundant number, since it is smaller than the sum of its proper divisors (39893263932).

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

16112996928 is a wasteful number, since it uses less digits than its factorization.

16112996928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 518 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The spelling of 16112996928 in words is "sixteen billion, one hundred twelve million, nine hundred ninety-six thousand, nine hundred twenty-eight".