2006601992 has 16 divisors (see below), whose sum is σ = 3854144700. Its totient is φ = 978830080.

The previous prime is 2006601991. The next prime is 2006602049. The reversal of 2006601992 is 2991066002.

It can be written as a sum of positive squares in 2 ways, for example, as 1977936676 + 28665316 = 44474^2 + 5354^2 .

It is not an unprimeable number, because it can be changed into a prime (2006601991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3058517 + ... + 3059172.

Almost surely, 2^2006601992 is an apocalyptic number.

It is an amenable number.

2006601992 is a deficient number, since it is larger than the sum of its proper divisors (1847542708).

2006601992 is a wasteful number, since it uses less digits than its factorization.

2006601992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117736 (or 6117732 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2006601992 is about 44795.1112511176. Note that the first 3 decimals coincide. The cubic root of 2006601992 is about 1261.3058587100.

Adding to 2006601992 its reverse (2991066002), we get a palindrome (4997667994).

The spelling of 2006601992 in words is "two billion, six million, six hundred one thousand, nine hundred ninety-two".