256059537168 has 40 divisors (see below), whose sum is σ = 661545663328. Its totient is φ = 85345627392.

The previous prime is 256059537163. The next prime is 256059537203. The reversal of 256059537168 is 861735950652.

It is not an unprimeable number, because it can be changed into a prime (256059537161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325980 + ... + 786372.

Almost surely, 2^256059537168 is an apocalyptic number.

It is an amenable number.

256059537168 is an abundant number, since it is smaller than the sum of its proper divisors (405486126160).

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

256059537168 is a wasteful number, since it uses less digits than its factorization.

256059537168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471991 (or 471985 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 256059537168 in words is "two hundred fifty-six billion, fifty-nine million, five hundred thirty-seven thousand, one hundred sixty-eight".