2116381936 has 20 divisors (see below), whose sum is σ = 4115301832. Its totient is φ = 1054368576.

The previous prime is 2116381933. The next prime is 2116381951. The reversal of 2116381936 is 6391836112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116381931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234330 + ... + 243193.

Almost surely, 2^2116381936 is an apocalyptic number.

It is an amenable number.

2116381936 is a deficient number, since it is larger than the sum of its proper divisors (1998919896).

2116381936 is a wasteful number, since it uses less digits than its factorization.

2116381936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477808 (or 477802 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 2116381936 is about 46004.1512909433. The cubic root of 2116381936 is about 1283.9004429106.

The spelling of 2116381936 in words is "two billion, one hundred sixteen million, three hundred eighty-one thousand, nine hundred thirty-six".