2066320072 has 16 divisors (see below), whose sum is σ = 4078263600. Its totient is φ = 978783120.

The previous prime is 2066320051. The next prime is 2066320127. The reversal of 2066320072 is 2700236602.

It is a self number, because there is not a number n which added to its sum of digits gives 2066320072.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6796954 + ... + 6797257.

It is an arithmetic number, because the mean of its divisors is an integer number (254891475).

Almost surely, 2^2066320072 is an apocalyptic number.

It is an amenable number.

2066320072 is a deficient number, since it is larger than the sum of its proper divisors (2011943528).

2066320072 is a wasteful number, since it uses less digits than its factorization.

2066320072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13594236 (or 13594232 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 2066320072 is about 45456.7934636837. The cubic root of 2066320072 is about 1273.6962342610.

Adding to 2066320072 its reverse (2700236602), we get a palindrome (4766556674).

The spelling of 2066320072 in words is "two billion, sixty-six million, three hundred twenty thousand, seventy-two".