2165071050 has 36 divisors (see below), whose sum is σ = 5816825430. Its totient is φ = 577352160.

The previous prime is 2165071043. The next prime is 2165071061. The reversal of 2165071050 is 501705612.

2165071050 is a `hidden beast` number, since 2 + 1 + 650 + 7 + 1 + 0 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1015250769 + 1149820281 = 31863^2 + 33909^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2405185 + ... + 2406084.

Almost surely, 2^2165071050 is an apocalyptic number.

2165071050 is an abundant number, since it is smaller than the sum of its proper divisors (3651754380).

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

2165071050 is a wasteful number, since it uses less digits than its factorization.

2165071050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811287 (or 4811279 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 2165071050 is about 46530.3239833982. The cubic root of 2165071050 is about 1293.6716202603.

Adding to 2165071050 its reverse (501705612), we get a palindrome (2666776662).

The spelling of 2165071050 in words is "two billion, one hundred sixty-five million, seventy-one thousand, fifty".