2118995889696 has 384 divisors, whose sum is σ = 7206738739200. Its totient is φ = 593210926080.

The previous prime is 2118995889653. The next prime is 2118995889727. The reversal of 2118995889696 is 6969885998112.

2118995889696 is a `hidden beast` number, since 21 + 1 + 8 + 9 + 9 + 588 + 9 + 6 + 9 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97017145 + ... + 97038983.

It is an arithmetic number, because the mean of its divisors is an integer number (18767548800).

Almost surely, 2^{2118995889696} 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 2118995889696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3603369369600).

2118995889696 is an abundant number, since it is smaller than the sum of its proper divisors (5087742849504).

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

2118995889696 is a wasteful number, since it uses less digits than its factorization.

2118995889696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22189 (or 22175 counting only the distinct ones).

The product of its digits is 1209323520, while the sum is 81.

The spelling of 2118995889696 in words is "two trillion, one hundred eighteen billion, nine hundred ninety-five million, eight hundred eighty-nine thousand, six hundred ninety-six".