4936644566 has 16 divisors (see below), whose sum is σ = 8464448160. Its totient is φ = 2115297600.

The previous prime is 4936644547. The next prime is 4936644611. The reversal of 4936644566 is 6654466394.

It is a congruent 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, 48266 + ... + 110466.

It is an arithmetic number, because the mean of its divisors is an integer number (529028010).

Almost surely, 2^4936644566 is an apocalyptic number.

4936644566 is a deficient number, since it is larger than the sum of its proper divisors (3527803594).

4936644566 is a wasteful number, since it uses less digits than its factorization.

4936644566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67879.

The product of its digits is 11197440, while the sum is 53.

The square root of 4936644566 is about 70261.2593539285. The cubic root of 4936644566 is about 1702.7228069272.

The spelling of 4936644566 in words is "four billion, nine hundred thirty-six million, six hundred forty-four thousand, five hundred sixty-six".