52160216173209 has 39 divisors (see below), whose sum is σ = 78248173456677. Its totient is φ = 34769967458148.

The previous prime is 52160216173181. The next prime is 52160216173211. The reversal of 52160216173209 is 90237161206125.

The square root of 52160216173209 is 7222203.

It is a perfect power (a square), and thus also a powerful number.

52160216173209 is a `hidden beast` number, since 5 + 2 + 1 + 6 + 0 + 2 + 1 + 617 + 3 + 20 + 9 = 666.

52160216173209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52160216173209 - 2²⁵ = 52160182618777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52160216173249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 38 ways as a sum of consecutive naturals, for example, 5264981034 + ... + 5264990940.

Almost surely, 2^{52160216173209} is an apocalyptic number.

52160216173209 is the 7222203-rd square number.

52160216173209 is the 3611102-nd centered octagonal number.

It is an amenable number.

52160216173209 is a deficient number, since it is larger than the sum of its proper divisors (26087957283468).

52160216173209 is an frugal number, since it uses more digits than its factorization.

52160216173209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19850 (or 9910 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 52160216173209 in words is "fifty-two trillion, one hundred sixty billion, two hundred sixteen million, one hundred seventy-three thousand, two hundred nine".