5220166255 has 4 divisors (see below), whose sum is σ = 6264199512. Its totient is φ = 4176133000.

The previous prime is 5220166247. The next prime is 5220166261. The reversal of 5220166255 is 5526610225.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5220166255 - 2³ = 5220166247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5220166255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522016621 + ... + 522016630.

It is an arithmetic number, because the mean of its divisors is an integer number (1566049878).

Almost surely, 2^5220166255 is an apocalyptic number.

5220166255 is a deficient number, since it is larger than the sum of its proper divisors (1044033257).

5220166255 is a wasteful number, since it uses less digits than its factorization.

5220166255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044033256.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 5220166255 is about 72250.7180241138. The cubic root of 5220166255 is about 1734.7149113421.

The spelling of 5220166255 in words is "five billion, two hundred twenty million, one hundred sixty-six thousand, two hundred fifty-five".