8056666 has 4 divisors (see below), whose sum is σ = 12085002. Its totient is φ = 4028332.

The previous prime is 8056661. The next prime is 8056673. The reversal of 8056666 is 6666508.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7678441 + 378225 = 2771^2 + 615^2 .

It is not an unprimeable number, because it can be changed into a prime (8056661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014165 + ... + 2014168.

Almost surely, 2^8056666 is an apocalyptic number.

8056666 is a deficient number, since it is larger than the sum of its proper divisors (4028336).

8056666 is a wasteful number, since it uses less digits than its factorization.

8056666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028335.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 8056666 is about 2838.4266768758. The cubic root of 8056666 is about 200.4711060906.

The spelling of 8056666 in words is "eight million, fifty-six thousand, six hundred sixty-six".