2163018912 has 48 divisors (see below), whose sum is σ = 5700082752. Its totient is φ = 718192640.

The previous prime is 2163018889. The next prime is 2163018917. The reversal of 2163018912 is 2198103612.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (2163018917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19164 + ... + 68507.

It is an arithmetic number, because the mean of its divisors is an integer number (118751724).

Almost surely, 2^2163018912 is an apocalyptic number.

It is an amenable number.

2163018912 is an abundant number, since it is smaller than the sum of its proper divisors (3537063840).

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

2163018912 is a wasteful number, since it uses less digits than its factorization.

2163018912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87941 (or 87933 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2163018912 is about 46508.2671360695. The cubic root of 2163018912 is about 1293.2627604056.

The spelling of 2163018912 in words is "two billion, one hundred sixty-three million, eighteen thousand, nine hundred twelve".