2236196185668 has 144 divisors (see below), whose sum is σ = 6117513572352. Its totient is φ = 686718648000.

The previous prime is 2236196185631. The next prime is 2236196185669. The reversal of 2236196185668 is 8665816916322.

It is a happy number.

2236196185668 is a `hidden beast` number, since 2 + 2 + 3 + 6 + 1 + 9 + 61 + 8 + 566 + 8 = 666.

It is a super-2 number, since 2×2236196185668² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2236196185669) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 5209503 + ... + 5622393.

Almost surely, 2^{2236196185668} 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 2236196185668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3058756786176).

2236196185668 is an abundant number, since it is smaller than the sum of its proper divisors (3881317386684).

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

2236196185668 is a wasteful number, since it uses less digits than its factorization.

2236196185668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413166 (or 413161 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 2236196185668 in words is "two trillion, two hundred thirty-six billion, one hundred ninety-six million, one hundred eighty-five thousand, six hundred sixty-eight".