2116678936 has 16 divisors (see below), whose sum is σ = 4003896600. Its totient is φ = 1048973184.

The previous prime is 2116678933. The next prime is 2116678939. The reversal of 2116678936 is 6398766112.

It is an interprime number because it is at equal distance from previous prime (2116678933) and next prime (2116678939).

It is a self number, because there is not a number n which added to its sum of digits gives 2116678936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116678931) 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, 1169826 + ... + 1171633.

Almost surely, 2^2116678936 is an apocalyptic number.

It is an amenable number.

2116678936 is a deficient number, since it is larger than the sum of its proper divisors (1887217664).

2116678936 is a wasteful number, since it uses less digits than its factorization.

2116678936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341578 (or 2341574 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 2116678936 is about 46007.3791472629. The cubic root of 2116678936 is about 1283.9604983270.

The spelling of 2116678936 in words is "two billion, one hundred sixteen million, six hundred seventy-eight thousand, nine hundred thirty-six".