4647655666 has 8 divisors (see below), whose sum is σ = 6972167664. Its totient is φ = 2323599780.

The previous prime is 4647655637. The next prime is 4647655699. The reversal of 4647655666 is 6665567464.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87300 + ... + 130063.

It is an arithmetic number, because the mean of its divisors is an integer number (871520958).

Almost surely, 2^4647655666 is an apocalyptic number.

4647655666 is a deficient number, since it is larger than the sum of its proper divisors (2324511998).

4647655666 is a wasteful number, since it uses less digits than its factorization.

4647655666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228056.

The product of its digits is 21772800, while the sum is 55.

The square root of 4647655666 is about 68173.7168269415. The cubic root of 4647655666 is about 1668.8269896241.

The spelling of 4647655666 in words is "four billion, six hundred forty-seven million, six hundred fifty-five thousand, six hundred sixty-six".