2116794816 has 112 divisors (see below), whose sum is σ = 6298387200. Its totient is φ = 697049856.

The previous prime is 2116794737. The next prime is 2116794817. The reversal of 2116794816 is 6184976112.

2116794816 is a `hidden beast` number, since 2 + 1 + 167 + 9 + 481 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116794817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136045 + ... + 150803.

It is an arithmetic number, because the mean of its divisors is an integer number (56235600).

Almost surely, 2^2116794816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2116794816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3149193600).

2116794816 is an abundant number, since it is smaller than the sum of its proper divisors (4181592384).

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

2116794816 is a wasteful number, since it uses less digits than its factorization.

2116794816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14863 (or 14847 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 2116794816 is about 46008.6384932221. The cubic root of 2116794816 is about 1283.9839285262.

The spelling of 2116794816 in words is "two billion, one hundred sixteen million, seven hundred ninety-four thousand, eight hundred sixteen".