16384721112 has 48 divisors (see below), whose sum is σ = 44382418080. Its totient is φ = 5460696000.

The previous prime is 16384721047. The next prime is 16384721149. The reversal of 16384721112 is 21112748361.

16384721112 is a `hidden beast` number, since 1 + 638 + 4 + 7 + 2 + 1 + 1 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558162 + ... + 586782.

It is an arithmetic number, because the mean of its divisors is an integer number (924633710).

Almost surely, 2^16384721112 is an apocalyptic number.

16384721112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16384721112 is an abundant number, since it is smaller than the sum of its proper divisors (27997696968).

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

16384721112 is a wasteful number, since it uses less digits than its factorization.

16384721112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36584 (or 36577 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The spelling of 16384721112 in words is "sixteen billion, three hundred eighty-four million, seven hundred twenty-one thousand, one hundred twelve".