520463364666166 has 16 divisors (see below), whose sum is σ = 786860275798800. Its totient is φ = 258179219008128.

The previous prime is 520463364666121. The next prime is 520463364666181. The reversal of 520463364666166 is 661666463364025.

It is a super-2 number, since 2×520463364666166² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520463364666098 and 520463364666107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652836231 + ... + 653632978.

It is an arithmetic number, because the mean of its divisors is an integer number (49178767237425).

Almost surely, 2^{520463364666166} is an apocalyptic number.

520463364666166 is a deficient number, since it is larger than the sum of its proper divisors (266396911132634).

520463364666166 is a wasteful number, since it uses less digits than its factorization.

520463364666166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306470783.

The product of its (nonzero) digits is 403107840, while the sum is 64.

The spelling of 520463364666166 in words is "five hundred twenty trillion, four hundred sixty-three billion, three hundred sixty-four million, six hundred sixty-six thousand, one hundred sixty-six".