6670066 has 8 divisors (see below), whose sum is σ = 10774764. Its totient is φ = 3078480.

The previous prime is 6670043. The next prime is 6670067. The reversal of 6670066 is 6600766.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6610041 + 60025 = 2571^2 + 245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6670067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128245 + ... + 128296.

Almost surely, 2^6670066 is an apocalyptic number.

6670066 is a deficient number, since it is larger than the sum of its proper divisors (4104698).

6670066 is a wasteful number, since it uses less digits than its factorization.

6670066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256556.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 6670066 is about 2582.6470916484. The cubic root of 6670066 is about 188.2391892921.

It can be divided in two parts, 66700 and 66, that added together give a palindrome (66766).

The spelling of 6670066 in words is "six million, six hundred seventy thousand, sixty-six".