6656066 has 16 divisors (see below), whose sum is σ = 10233600. Its totient is φ = 3246048.

The previous prime is 6656059. The next prime is 6656071. The reversal of 6656066 is 6606566.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16070 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (639600).

Almost surely, 2^6656066 is an apocalyptic number.

6656066 is a deficient number, since it is larger than the sum of its proper divisors (3577534).

6656066 is a wasteful number, since it uses less digits than its factorization.

6656066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 6656066 is about 2579.9352705058. The cubic root of 6656066 is about 188.1073967628.

The spelling of 6656066 in words is "six million, six hundred fifty-six thousand, sixty-six".