2116800000 has 720 divisors, whose sum is σ = 9110510640. Its totient is φ = 483840000.

The previous prime is 2116799981. The next prime is 2116800017. The reversal of 2116800000 is 86112.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 302399997 + ... + 302400003.

It is an arithmetic number, because the mean of its divisors is an integer number (12653487).

Almost surely, 2^2116800000 is an apocalyptic number.

2116800000 is a gapful number since it is divisible by the number (20) 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 2116800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4555255320).

2116800000 is an abundant number, since it is smaller than the sum of its proper divisors (6993710640).

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

2116800000 is an frugal number, since it uses more digits than its factorization.

2116800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 2116800000 is about 46008.6948304340. The cubic root of 2116800000 is about 1283.9849766781.

Adding to 2116800000 its reverse (86112), we get a palindrome (2116886112).

The spelling of 2116800000 in words is "two billion, one hundred sixteen million, eight hundred thousand".