256673228162 has 54 divisors (see below), whose sum is σ = 443143873809. Its totient is φ = 111427280640.

The previous prime is 256673228083. The next prime is 256673228197. The reversal of 256673228162 is 261822376652.

256673228162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 14 ways, for example, as 8986850401 + 247686377761 = 94799^2 + 497681^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=358241.

It is a super-2 number, since 2×256673228162² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256673228162.

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 26 ways as a sum of consecutive naturals, for example, 158341712 + ... + 158343332.

Almost surely, 2^256673228162 is an apocalyptic number.

256673228162 is a deficient number, since it is larger than the sum of its proper divisors (186470645647).

256673228162 is an equidigital number, since it uses as much as digits as its factorization.

256673228162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304 (or 1653 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

Multiplying 256673228162 by its sum of digits (50), we get a square (12833661408100 = 3582410²).

The spelling of 256673228162 in words is "two hundred fifty-six billion, six hundred seventy-three million, two hundred twenty-eight thousand, one hundred sixty-two".