2112644316 has 48 divisors (see below), whose sum is σ = 5104189440. Its totient is φ = 679304640.

The previous prime is 2112644291. The next prime is 2112644321. The reversal of 2112644316 is 6134462112.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509845 + ... + 513971.

It is an arithmetic number, because the mean of its divisors is an integer number (106337280).

Almost surely, 2^2112644316 is an apocalyptic number.

It is an amenable number.

2112644316 is an abundant number, since it is smaller than the sum of its proper divisors (2991545124).

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

2112644316 is a wasteful number, since it uses less digits than its factorization.

2112644316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634 (or 5632 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 2112644316 is about 45963.5107014249. The cubic root of 2112644316 is about 1283.1441900516.

The spelling of 2112644316 in words is "two billion, one hundred twelve million, six hundred forty-four thousand, three hundred sixteen".