256622330677660 has 12 divisors (see below), whose sum is σ = 538906894423128. Its totient is φ = 102648932271056.

The previous prime is 256622330677651. The next prime is 256622330677667. The reversal of 256622330677660 is 66776033226652.

256622330677660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256622330677667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6415558266922 + ... + 6415558266961.

It is an arithmetic number, because the mean of its divisors is an integer number (44908907868594).

Almost surely, 2^{256622330677660} is an apocalyptic number.

256622330677660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256622330677660 is an abundant number, since it is smaller than the sum of its proper divisors (282284563745468).

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

256622330677660 is a wasteful number, since it uses less digits than its factorization.

256622330677660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12831116533892 (or 12831116533890 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 61.

The spelling of 256622330677660 in words is "two hundred fifty-six trillion, six hundred twenty-two billion, three hundred thirty million, six hundred seventy-seven thousand, six hundred sixty".