16228672512 has 132 divisors (see below), whose sum is σ = 46840109040. Its totient is φ = 4993277952.

The previous prime is 16228672469. The next prime is 16228672517. The reversal of 16228672512 is 21527682261.

It is not an unprimeable number, because it can be changed into a prime (16228672517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503539 + ... + 534797.

Almost surely, 2^16228672512 is an apocalyptic number.

16228672512 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 16228672512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23420054520).

16228672512 is an abundant number, since it is smaller than the sum of its proper divisors (30611436528).

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

16228672512 is a wasteful number, since it uses less digits than its factorization.

16228672512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31308 (or 31277 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The spelling of 16228672512 in words is "sixteen billion, two hundred twenty-eight million, six hundred seventy-two thousand, five hundred twelve".