520250216467172 has 12 divisors (see below), whose sum is σ = 919823836331820. Its totient is φ = 257443406086656.

The previous prime is 520250216467151. The next prime is 520250216467181. The reversal of 520250216467172 is 271764612052025.

It can be written as a sum of positive squares in 2 ways, for example, as 103686035177956 + 416564181289216 = 10182634^2 + 20409904^2 .

It is a super-3 number, since 3×520250216467172³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520250216467172.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 670425536297 + ... + 670425537072.

It is an arithmetic number, because the mean of its divisors is an integer number (76651986360985).

Almost surely, 2^{520250216467172} is an apocalyptic number.

It is an amenable number.

520250216467172 is a deficient number, since it is larger than the sum of its proper divisors (399573619864648).

520250216467172 is a wasteful number, since it uses less digits than its factorization.

520250216467172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340851073470 (or 1340851073468 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 520250216467172 in words is "five hundred twenty trillion, two hundred fifty billion, two hundred sixteen million, four hundred sixty-seven thousand, one hundred seventy-two".