5166606700666 has 32 divisors (see below), whose sum is σ = 8259380680320. Its totient is φ = 2418818238144.

The previous prime is 5166606700639. The next prime is 5166606700667. The reversal of 5166606700666 is 6660076066615.

It is not an unprimeable number, because it can be changed into a prime (5166606700667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5791285 + ... + 6623608.

It is an arithmetic number, because the mean of its divisors is an integer number (258105646260).

Almost surely, 2^{5166606700666} is an apocalyptic number.

5166606700666 is a deficient number, since it is larger than the sum of its proper divisors (3092773979654).

5166606700666 is a wasteful number, since it uses less digits than its factorization.

5166606700666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12415110.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 5166606700666 in words is "five trillion, one hundred sixty-six billion, six hundred six million, seven hundred thousand, six hundred sixty-six".