2118375216 has 30 divisors (see below), whose sum is σ = 5928508820. Its totient is φ = 706125024.

The previous prime is 2118375197. The next prime is 2118375271. The reversal of 2118375216 is 6125738112.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 7355326 + ... + 7355613.

Almost surely, 2^2118375216 is an apocalyptic number.

It is an amenable number.

2118375216 is an abundant number, since it is smaller than the sum of its proper divisors (3810133604).

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

2118375216 is a wasteful number, since it uses less digits than its factorization.

2118375216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14710953 (or 14710944 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2118375216 is about 46025.8103242083. The cubic root of 2118375216 is about 1284.3033900366.

The spelling of 2118375216 in words is "two billion, one hundred eighteen million, three hundred seventy-five thousand, two hundred sixteen".