4643566126666 has 16 divisors (see below), whose sum is σ = 6977392272864. Its totient is φ = 2317770501904.

The previous prime is 4643566126649. The next prime is 4643566126673. The reversal of 4643566126666 is 6666216653464.

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, 4739061 + ... + 5634343.

It is an arithmetic number, because the mean of its divisors is an integer number (436087017054).

Almost surely, 2^{4643566126666} is an apocalyptic number.

4643566126666 is a deficient number, since it is larger than the sum of its proper divisors (2333826146198).

4643566126666 is a wasteful number, since it uses less digits than its factorization.

4643566126666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899765.

The product of its digits is 134369280, while the sum is 61.

The spelling of 4643566126666 in words is "four trillion, six hundred forty-three billion, five hundred sixty-six million, one hundred twenty-six thousand, six hundred sixty-six".