520800168106 has 8 divisors (see below), whose sum is σ = 789253863300. Its totient is φ = 257715547008.

The previous prime is 520800168071. The next prime is 520800168139. The reversal of 520800168106 is 601861008025.

It can be written as a sum of positive squares in 2 ways, for example, as 499578962481 + 21221205625 = 706809^2 + 145675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1342268281 + ... + 1342268668.

Almost surely, 2^520800168106 is an apocalyptic number.

520800168106 is a deficient number, since it is larger than the sum of its proper divisors (268453695194).

520800168106 is a wasteful number, since it uses less digits than its factorization.

520800168106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684537048.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 520800168106 in words is "five hundred twenty billion, eight hundred million, one hundred sixty-eight thousand, one hundred six".