4355408666 has 32 divisors (see below), whose sum is σ = 7657867008. Its totient is φ = 1819209600.

The previous prime is 4355408647. The next prime is 4355408747. The reversal of 4355408666 is 6668045534.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4355408666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92606 + ... + 131478.

It is an arithmetic number, because the mean of its divisors is an integer number (239308344).

Almost surely, 2^4355408666 is an apocalyptic number.

4355408666 is a deficient number, since it is larger than the sum of its proper divisors (3302458342).

4355408666 is a wasteful number, since it uses less digits than its factorization.

4355408666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39086.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The square root of 4355408666 is about 65995.5200449243. The cubic root of 4355408666 is about 1633.0881856241.

The spelling of 4355408666 in words is "four billion, three hundred fifty-five million, four hundred eight thousand, six hundred sixty-six".