2196943886592 has 1728 divisors, whose sum is σ = 8480267550720. Its totient is φ = 555482603520.

The previous prime is 2196943886573. The next prime is 2196943886629. The reversal of 2196943886592 is 2956883496912.

2196943886592 is a `hidden beast` number, since 2 + 1 + 9 + 69 + 438 + 86 + 59 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 2196943886592.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 20532185803 + ... + 20532185909.

It is an arithmetic number, because the mean of its divisors is an integer number (4907562240).

Almost surely, 2^{2196943886592} 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 2196943886592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4240133775360).

2196943886592 is an abundant number, since it is smaller than the sum of its proper divisors (6283323664128).

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

2196943886592 is an equidigital number, since it uses as much as digits as its factorization.

2196943886592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 163 counting only the distinct ones).

The product of its digits is 403107840, while the sum is 72.

The spelling of 2196943886592 in words is "two trillion, one hundred ninety-six billion, nine hundred forty-three million, eight hundred eighty-six thousand, five hundred ninety-two".