256108569161202 has 16 divisors (see below), whose sum is σ = 569130153691680. Its totient is φ = 85369523053716.

The previous prime is 256108569161167. The next prime is 256108569161239. The reversal of 256108569161202 is 202161965801652.

256108569161202 is a `hidden beast` number, since 2 + 5 + 6 + 10 + 8 + 5 + 6 + 9 + 1 + 612 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 4742751280763 = 256108569161202 / (2 + 5 + 6 + 1 + 0 + 8 + 5 + 6 + 9 + 1 + 6 + 1 + 2 + 0 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2371375640328 + ... + 2371375640435.

It is an arithmetic number, because the mean of its divisors is an integer number (35570634605730).

Almost surely, 2^{256108569161202} is an apocalyptic number.

256108569161202 is an abundant number, since it is smaller than the sum of its proper divisors (313021584530478).

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

256108569161202 is a wasteful number, since it uses less digits than its factorization.

256108569161202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742751280774 (or 4742751280768 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 256108569161202 in words is "two hundred fifty-six trillion, one hundred eight billion, five hundred sixty-nine million, one hundred sixty-one thousand, two hundred two".