2195986368 has 56 divisors (see below), whose sum is σ = 5866676608. Its totient is φ = 724882176.

The previous prime is 2195986349. The next prime is 2195986369. The reversal of 2195986368 is 8636895912.

It is a super-2 number, since 2×2195986368² = 9644712256883662848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195986369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35746 + ... + 75297.

Almost surely, 2^2195986368 is an apocalyptic number.

It is an amenable number.

2195986368 is an abundant number, since it is smaller than the sum of its proper divisors (3670690240).

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

2195986368 is a wasteful number, since it uses less digits than its factorization.

2195986368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111161 (or 111151 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 57.

The square root of 2195986368 is about 46861.3526053186. The cubic root of 2195986368 is about 1299.8000418290.

The spelling of 2195986368 in words is "two billion, one hundred ninety-five million, nine hundred eighty-six thousand, three hundred sixty-eight".