2165946050 has 48 divisors (see below), whose sum is σ = 4118843520. Its totient is φ = 847143360.

The previous prime is 2165946043. The next prime is 2165946067. The reversal of 2165946050 is 506495612.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2165945995 and 2165946013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 579287 + ... + 583013.

It is an arithmetic number, because the mean of its divisors is an integer number (85809240).

Almost surely, 2^2165946050 is an apocalyptic number.

2165946050 is a deficient number, since it is larger than the sum of its proper divisors (1952897470).

2165946050 is a wasteful number, since it uses less digits than its factorization.

2165946050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995 (or 3990 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 2165946050 is about 46539.7255041325. The cubic root of 2165946050 is about 1293.8458732346.

The spelling of 2165946050 in words is "two billion, one hundred sixty-five million, nine hundred forty-six thousand, fifty".