2162120650 has 48 divisors (see below), whose sum is σ = 4127657688. Its totient is φ = 842112000.

The previous prime is 2162120603. The next prime is 2162120651. The reversal of 2162120650 is 560212612.

It can be written as a sum of positive squares in 12 ways, for example, as 200250801 + 1961869849 = 14151^2 + 44293^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2162120651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2092534 + ... + 2093566.

Almost surely, 2^2162120650 is an apocalyptic number.

2162120650 is a deficient number, since it is larger than the sum of its proper divisors (1965537038).

2162120650 is a wasteful number, since it uses less digits than its factorization.

2162120650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2162120650 is about 46498.6091189833. The cubic root of 2162120650 is about 1293.0837128664.

The spelling of 2162120650 in words is "two billion, one hundred sixty-two million, one hundred twenty thousand, six hundred fifty".