5220340170666 has 16 divisors (see below), whose sum is σ = 10443872273088. Its totient is φ = 1739581401600.

The previous prime is 5220340170659. The next prime is 5220340170781. The reversal of 5220340170666 is 6660710430225.

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, 132975895 + ... + 133015146.

It is an arithmetic number, because the mean of its divisors is an integer number (652742017068).

Almost surely, 2^{5220340170666} is an apocalyptic number.

5220340170666 is an abundant number, since it is smaller than the sum of its proper divisors (5223532102422).

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

5220340170666 is a wasteful number, since it uses less digits than its factorization.

5220340170666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265994317.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 5220340170666 in words is "five trillion, two hundred twenty billion, three hundred forty million, one hundred seventy thousand, six hundred sixty-six".