6670733666 has 8 divisors (see below), whose sum is σ = 10594694700. Its totient is φ = 3139168768.

The previous prime is 6670733659. The next prime is 6670733669. The reversal of 6670733666 is 6663370766.

It can be written as a sum of positive squares in 2 ways, for example, as 6652849225 + 17884441 = 81565^2 + 4229^2 .

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 (6670733669) 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, 98098991 + ... + 98099058.

Almost surely, 2^6670733666 is an apocalyptic number.

6670733666 is a deficient number, since it is larger than the sum of its proper divisors (3923961034).

6670733666 is a wasteful number, since it uses less digits than its factorization.

6670733666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196198068.

The product of its (nonzero) digits is 3429216, while the sum is 50.

The square root of 6670733666 is about 81674.5594784569. The cubic root of 6670733666 is about 1882.4546992527.

The spelling of 6670733666 in words is "six billion, six hundred seventy million, seven hundred thirty-three thousand, six hundred sixty-six".