2100165036 has 24 divisors (see below), whose sum is σ = 5069364720. Its totient is φ = 675915072.

The previous prime is 2100164999. The next prime is 2100165043. The reversal of 2100165036 is 6305610012.

It is a junction number, because it is equal to n+sod(n) for n = 2100164997 and 2100165015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017131 + ... + 3017826.

It is an arithmetic number, because the mean of its divisors is an integer number (211223530).

Almost surely, 2^2100165036 is an apocalyptic number.

It is an amenable number.

2100165036 is an abundant number, since it is smaller than the sum of its proper divisors (2969199684).

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

2100165036 is a wasteful number, since it uses less digits than its factorization.

2100165036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034993 (or 6034991 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2100165036 is about 45827.5576045680. The cubic root of 2100165036 is about 1280.6127104045.

Adding to 2100165036 its reverse (6305610012), we get a palindrome (8405775048).

The spelling of 2100165036 in words is "two billion, one hundred million, one hundred sixty-five thousand, thirty-six".