16991002112 has 80 divisors (see below), whose sum is σ = 39701304192. Its totient is φ = 7112448000.

The previous prime is 16991002033. The next prime is 16991002117. The reversal of 16991002112 is 21120019961.

16991002112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16991002117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98987 + ... + 209237.

Almost surely, 2^16991002112 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 16991002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19850652096).

16991002112 is an abundant number, since it is smaller than the sum of its proper divisors (22710302080).

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

16991002112 is an equidigital number, since it uses as much as digits as its factorization.

16991002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110319 (or 110303 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 16991002112 in words is "sixteen billion, nine hundred ninety-one million, two thousand, one hundred twelve".