2168520050 has 48 divisors (see below), whose sum is σ = 4167858240. Its totient is φ = 838791360.

The previous prime is 2168520031. The next prime is 2168520061. The reversal of 2168520050 is 500258612.

It is a junction number, because it is equal to n+sod(n) for n = 2168519995 and 2168520022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305441 + ... + 312459.

It is an arithmetic number, because the mean of its divisors is an integer number (86830380).

Almost surely, 2^2168520050 is an apocalyptic number.

2168520050 is a deficient number, since it is larger than the sum of its proper divisors (1999338190).

2168520050 is a wasteful number, since it uses less digits than its factorization.

2168520050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235 (or 7230 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2168520050 is about 46567.3710874900. The cubic root of 2168520050 is about 1294.3582037683.

Adding to 2168520050 its reverse (500258612), we get a palindrome (2668778662).

The spelling of 2168520050 in words is "two billion, one hundred sixty-eight million, five hundred twenty thousand, fifty".