6660650106506 has 16 divisors (see below), whose sum is σ = 10971426068928. Its totient is φ = 3007518108000.

The previous prime is 6660650106337. The next prime is 6660650106529. The reversal of 6660650106506 is 6056010560666.

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, 1002502715 + ... + 1002509358.

It is an arithmetic number, because the mean of its divisors is an integer number (685714129308).

Almost surely, 2^{6660650106506} is an apocalyptic number.

6660650106506 is a deficient number, since it is larger than the sum of its proper divisors (4310775962422).

6660650106506 is a wasteful number, since it uses less digits than its factorization.

6660650106506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005012237.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 6660650106506 in words is "six trillion, six hundred sixty billion, six hundred fifty million, one hundred six thousand, five hundred six".