2111669216 has 24 divisors (see below), whose sum is σ = 4198517064. Its totient is φ = 1045379200.

The previous prime is 2111669213. The next prime is 2111669257. The reversal of 2111669216 is 6129661112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111669213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323450 + ... + 329913.

It is an arithmetic number, because the mean of its divisors is an integer number (174938211).

Almost surely, 2^2111669216 is an apocalyptic number.

It is an amenable number.

2111669216 is a deficient number, since it is larger than the sum of its proper divisors (2086847848).

2111669216 is a wasteful number, since it uses less digits than its factorization.

2111669216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653474 (or 653466 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 2111669216 is about 45952.9021499187. The cubic root of 2111669216 is about 1282.9467461124.

The spelling of 2111669216 in words is "two billion, one hundred eleven million, six hundred sixty-nine thousand, two hundred sixteen".