16343000000000 has 400 divisors, whose sum is σ = 41659273077840. Its totient is φ = 6403200000000.

The previous prime is 16342999999981. The next prime is 16343000000083. The reversal of 16343000000000 is 34361.

It is a tau number, because it is divible by the number of its divisors (400).

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, 58999999862 + ... + 59000000138.

Almost surely, 2^{16343000000000} is an apocalyptic number.

16343000000000 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 16343000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20829636538920).

16343000000000 is an abundant number, since it is smaller than the sum of its proper divisors (25316273077840).

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

16343000000000 is an frugal number, since it uses more digits than its factorization.

16343000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 16343000000000 its reverse (34361), we get a palindrome (16343000034361).

The spelling of 16343000000000 in words is "sixteen trillion, three hundred forty-three billion", and thus it is an aban number.