686366057060 has 12 divisors (see below), whose sum is σ = 1441368719868. Its totient is φ = 274546422816.

The previous prime is 686366057057. The next prime is 686366057093. The reversal of 686366057060 is 60750663686.

It can be written as a sum of positive squares in 2 ways, for example, as 529695751204 + 156670305856 = 727802^2 + 395816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 686366056993 and 686366057011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17159151407 + ... + 17159151446.

It is an arithmetic number, because the mean of its divisors is an integer number (120114059989).

Almost surely, 2^686366057060 is an apocalyptic number.

It is an amenable number.

686366057060 is an abundant number, since it is smaller than the sum of its proper divisors (755002662808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

686366057060 is a wasteful number, since it uses less digits than its factorization.

686366057060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34318302862 (or 34318302860 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 686366057060 in words is "six hundred eighty-six billion, three hundred sixty-six million, fifty-seven thousand, sixty".