668586422562 has 16 divisors (see below), whose sum is σ = 1395310795200. Its totient is φ = 213172482512.

The previous prime is 668586422461. The next prime is 668586422579. The reversal of 668586422562 is 265224685866.

668586422562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 668586422496 and 668586422505.

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, 2422414437 + ... + 2422414712.

It is an arithmetic number, because the mean of its divisors is an integer number (87206924700).

Almost surely, 2^668586422562 is an apocalyptic number.

668586422562 is an abundant number, since it is smaller than the sum of its proper divisors (726724372638).

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

668586422562 is a wasteful number, since it uses less digits than its factorization.

668586422562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844829177.

The product of its digits is 66355200, while the sum is 60.

The spelling of 668586422562 in words is "six hundred sixty-eight billion, five hundred eighty-six million, four hundred twenty-two thousand, five hundred sixty-two".