2195683776 has 672 divisors, whose sum is σ = 8254471680. Its totient is φ = 547430400.

The previous prime is 2195683771. The next prime is 2195683801. The reversal of 2195683776 is 6773865912.

2195683776 is a `hidden beast` number, since 2 + 1 + 9 + 568 + 3 + 7 + 76 = 666.

2195683776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195683771) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35994786 + ... + 35994846.

It is an arithmetic number, because the mean of its divisors is an integer number (12283440).

Almost surely, 2^2195683776 is an apocalyptic number.

2195683776 is a gapful number since it is divisible by the number (26) 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 2195683776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4127235840).

2195683776 is an abundant number, since it is smaller than the sum of its proper divisors (6058787904).

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

2195683776 is a wasteful number, since it uses less digits than its factorization.

2195683776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 132 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 2195683776 is about 46858.1239061062. The cubic root of 2195683776 is about 1299.7403378821.

The spelling of 2195683776 in words is "two billion, one hundred ninety-five million, six hundred eighty-three thousand, seven hundred seventy-six".