6520060172223 has 12 divisors (see below), whose sum is σ = 10142315823640. Its totient is φ = 4012344721296.

The previous prime is 6520060172209. The next prime is 6520060172239. The reversal of 6520060172223 is 3222710600256.

6520060172223 is a `hidden beast` number, since 6 + 5 + 2 + 0 + 0 + 601 + 7 + 22 + 23 = 666.

It is not a de Polignac number, because 6520060172223 - 2²⁰ = 6520059123647 is a prime.

It is a super-2 number, since 2×6520060172223² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520060172123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27863504893 + ... + 27863505126.

Almost surely, 2^{6520060172223} is an apocalyptic number.

6520060172223 is a deficient number, since it is larger than the sum of its proper divisors (3622255651417).

6520060172223 is a wasteful number, since it uses less digits than its factorization.

6520060172223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55727010038 (or 55727010035 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 6520060172223 its reverse (3222710600256), we get a palindrome (9742770772479).

The spelling of 6520060172223 in words is "six trillion, five hundred twenty billion, sixty million, one hundred seventy-two thousand, two hundred twenty-three".