666327848 has 16 divisors (see below), whose sum is σ = 1303685280. Its totient is φ = 318678448.

The previous prime is 666327847. The next prime is 666327881. The reversal of 666327848 is 848723666.

It is a super-2 number, since 2×666327848² = 887985602040622208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 666327796 and 666327805.

It is not an unprimeable number, because it can be changed into a prime (666327847) 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 3 ways as a sum of consecutive naturals, for example, 1810490 + ... + 1810857.

It is an arithmetic number, because the mean of its divisors is an integer number (81480330).

Almost surely, 2^666327848 is an apocalyptic number.

It is an amenable number.

666327848 is a deficient number, since it is larger than the sum of its proper divisors (637357432).

666327848 is a wasteful number, since it uses less digits than its factorization.

666327848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621376 (or 3621372 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 50.

The square root of 666327848 is about 25813.3269455915. The cubic root of 666327848 is about 873.4324469737.

The spelling of 666327848 in words is "six hundred sixty-six million, three hundred twenty-seven thousand, eight hundred forty-eight".