4406606666 has 64 divisors (see below), whose sum is σ = 8686414080. Its totient is φ = 1626293760.

The previous prime is 4406606657. The next prime is 4406606713. The reversal of 4406606666 is 6666066044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227390 + ... + 246006.

It is an arithmetic number, because the mean of its divisors is an integer number (135725220).

Almost surely, 2^4406606666 is an apocalyptic number.

4406606666 is a deficient number, since it is larger than the sum of its proper divisors (4279807414).

4406606666 is a wasteful number, since it uses less digits than its factorization.

4406606666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18719.

The product of its (nonzero) digits is 746496, while the sum is 44.

The square root of 4406606666 is about 66382.2767461316. The cubic root of 4406606666 is about 1639.4622798399.

The spelling of 4406606666 in words is "four billion, four hundred six million, six hundred six thousand, six hundred sixty-six".