666830000 has 50 divisors (see below), whose sum is σ = 1614486324. Its totient is φ = 266728000.

The previous prime is 666829997. The next prime is 666830033. The reversal of 666830000 is 38666.

666830000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23342 + ... + 43341.

Almost surely, 2^666830000 is an apocalyptic number.

It is an amenable number.

666830000 is an abundant number, since it is smaller than the sum of its proper divisors (947656324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666830000 is an equidigital number, since it uses as much as digits as its factorization.

666830000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66711 (or 66690 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 666830000 is about 25823.0517174094. The cubic root of 666830000 is about 873.6518013154.

Adding to 666830000 its reverse (38666), we get a palindrome (666868666).

The spelling of 666830000 in words is "six hundred sixty-six million, eight hundred thirty thousand".