2196381637836 has 48 divisors (see below), whose sum is σ = 5694439014880. Its totient is φ = 732112266240.

The previous prime is 2196381637831. The next prime is 2196381637999. The reversal of 2196381637836 is 6387361836912.

2196381637836 is a `hidden beast` number, since 2 + 196 + 38 + 16 + 378 + 36 = 666.

It is not an unprimeable number, because it can be changed into a prime (2196381637831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5948376 + ... + 6306816.

Almost surely, 2^{2196381637836} is an apocalyptic number.

It is an amenable number.

2196381637836 is an abundant number, since it is smaller than the sum of its proper divisors (3498057377044).

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

2196381637836 is a wasteful number, since it uses less digits than its factorization.

2196381637836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415191 (or 415183 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 2196381637836 in words is "two trillion, one hundred ninety-six billion, three hundred eighty-one million, six hundred thirty-seven thousand, eight hundred thirty-six".