6670756666 has 16 divisors (see below), whose sum is σ = 11436929856. Its totient is φ = 2858558976.

The previous prime is 6670756657. The next prime is 6670756691. The reversal of 6670756666 is 6666570766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123130 + ... + 168826.

It is an arithmetic number, because the mean of its divisors is an integer number (714808116).

Almost surely, 2^6670756666 is an apocalyptic number.

6670756666 is a deficient number, since it is larger than the sum of its proper divisors (4766173190).

6670756666 is a wasteful number, since it uses less digits than its factorization.

6670756666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56133.

The product of its (nonzero) digits is 11430720, while the sum is 55.

The square root of 6670756666 is about 81674.7002810540. The cubic root of 6670756666 is about 1882.4568627533.

The spelling of 6670756666 in words is "six billion, six hundred seventy million, seven hundred fifty-six thousand, six hundred sixty-six".