6750275666 has 8 divisors (see below), whose sum is σ = 10239182460. Its totient is φ = 3337214848.

The previous prime is 6750275659. The next prime is 6750275669. The reversal of 6750275666 is 6665720576.

It can be written as a sum of positive squares in 2 ways, for example, as 6476869441 + 273406225 = 80479^2 + 16535^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6750275669) 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, 18961271 + ... + 18961626.

Almost surely, 2^6750275666 is an apocalyptic number.

6750275666 is a deficient number, since it is larger than the sum of its proper divisors (3488906794).

6750275666 is a wasteful number, since it uses less digits than its factorization.

6750275666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37922988.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The square root of 6750275666 is about 82160.0612584971. The cubic root of 6750275666 is about 1889.9073017066.

The spelling of 6750275666 in words is "six billion, seven hundred fifty million, two hundred seventy-five thousand, six hundred sixty-six".