8125666 has 8 divisors (see below), whose sum is σ = 12360384. Its totient is φ = 4005540.

The previous prime is 8125639. The next prime is 8125669. The reversal of 8125666 is 6665218.

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 (8125669) 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, 28470 + ... + 28753.

It is an arithmetic number, because the mean of its divisors is an integer number (1545048).

Almost surely, 2^8125666 is an apocalyptic number.

8125666 is a deficient number, since it is larger than the sum of its proper divisors (4234718).

8125666 is a wasteful number, since it uses less digits than its factorization.

8125666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57296.

The product of its digits is 17280, while the sum is 34.

The square root of 8125666 is about 2850.5553844821. Note that the first 3 decimals coincide. The cubic root of 8125666 is about 201.0417807093.

The spelling of 8125666 in words is "eight million, one hundred twenty-five thousand, six hundred sixty-six".