5009637666 has 64 divisors (see below), whose sum is σ = 11010295296. Its totient is φ = 1506988800.

The previous prime is 5009637623. The next prime is 5009637671. The reversal of 5009637666 is 6667369005.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8773161 + ... + 8773731.

It is an arithmetic number, because the mean of its divisors is an integer number (172035864).

Almost surely, 2^5009637666 is an apocalyptic number.

5009637666 is an abundant number, since it is smaller than the sum of its proper divisors (6000657630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5009637666 is a wasteful number, since it uses less digits than its factorization.

5009637666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327.

The product of its (nonzero) digits is 1224720, while the sum is 48.

The square root of 5009637666 is about 70778.7939004332. The cubic root of 5009637666 is about 1711.0739199881.

The spelling of 5009637666 in words is "five billion, nine million, six hundred thirty-seven thousand, six hundred sixty-six".