16344790000 has 200 divisors, whose sum is σ = 49339306368. Its totient is φ = 5094240000.

The previous prime is 16344789953. The next prime is 16344790019. The reversal of 16344790000 is 9744361.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 759387 + ... + 780613.

Almost surely, 2^16344790000 is an apocalyptic number.

16344790000 is a gapful number since it is divisible by the number (10) 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 16344790000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24669653184).

16344790000 is an abundant number, since it is smaller than the sum of its proper divisors (32994516368).

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

16344790000 is a wasteful number, since it uses less digits than its factorization.

16344790000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21273 (or 21252 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 16344790000 in words is "sixteen billion, three hundred forty-four million, seven hundred ninety thousand".