16749559008 has 576 divisors, whose sum is σ = 62909263872. Its totient is φ = 4105728000.

The previous prime is 16749559007. The next prime is 16749559049. The reversal of 16749559008 is 80095594761.

16749559008 is a `hidden beast` number, since 1 + 6 + 7 + 49 + 5 + 590 + 0 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16749559007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22302633 + ... + 22303383.

It is an arithmetic number, because the mean of its divisors is an integer number (109217472).

Almost surely, 2^16749559008 is an apocalyptic number.

16749559008 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 16749559008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31454631936).

16749559008 is an abundant number, since it is smaller than the sum of its proper divisors (46159704864).

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

16749559008 is a wasteful number, since it uses less digits than its factorization.

16749559008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 16749559008 in words is "sixteen billion, seven hundred forty-nine million, five hundred fifty-nine thousand, eight".