2165012104 has 16 divisors (see below), whose sum is σ = 4065681600. Its totient is φ = 1080830352.

The previous prime is 2165012099. The next prime is 2165012123. The reversal of 2165012104 is 4012105612.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203964 + ... + 214315.

It is an arithmetic number, because the mean of its divisors is an integer number (254105100).

Almost surely, 2^2165012104 is an apocalyptic number.

It is an amenable number.

2165012104 is a deficient number, since it is larger than the sum of its proper divisors (1900669496).

2165012104 is a wasteful number, since it uses less digits than its factorization.

2165012104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418932 (or 418928 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2165012104 is about 46529.6905641978. The cubic root of 2165012104 is about 1293.6598796973.

Adding to 2165012104 its reverse (4012105612), we get a palindrome (6177117716).

The spelling of 2165012104 in words is "two billion, one hundred sixty-five million, twelve thousand, one hundred four".