16844661912 has 32 divisors (see below), whose sum is σ = 45351013680. Its totient is φ = 5182972800.

The previous prime is 16844661887. The next prime is 16844661959. The reversal of 16844661912 is 21916644861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26994339 + ... + 26994962.

Almost surely, 2^16844661912 is an apocalyptic number.

16844661912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16844661912 is an abundant number, since it is smaller than the sum of its proper divisors (28506351768).

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

16844661912 is a wasteful number, since it uses less digits than its factorization.

16844661912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53989323 (or 53989319 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The spelling of 16844661912 in words is "sixteen billion, eight hundred forty-four million, six hundred sixty-one thousand, nine hundred twelve".