6166666 has 8 divisors (see below), whose sum is σ = 10090944. Its totient is φ = 2803020.

The previous prime is 6166639. The next prime is 6166669. The reversal of 6166666 is 6666616.

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

6166666 is a modest number, since divided by 6666 gives 616 as remainder.

It is not an unprimeable number, because it can be changed into a prime (6166669) 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, 140130 + ... + 140173.

It is an arithmetic number, because the mean of its divisors is an integer number (1261368).

Almost surely, 2^6166666 is an apocalyptic number.

6166666 is a deficient number, since it is larger than the sum of its proper divisors (3924278).

6166666 is a wasteful number, since it uses less digits than its factorization.

6166666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280316.

The product of its digits is 46656, while the sum is 37.

The square root of 6166666 is about 2483.2772700607. The cubic root of 6166666 is about 183.3792289136.

The spelling of 6166666 in words is "six million, one hundred sixty-six thousand, six hundred sixty-six".