256004463343166 has 16 divisors (see below), whose sum is σ = 384899971212288. Its totient is φ = 127704476503800.

The previous prime is 256004463343159. The next prime is 256004463343169. The reversal of 256004463343166 is 661343364400652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256004463343169) 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, 159622871 + ... + 161218701.

It is an arithmetic number, because the mean of its divisors is an integer number (24056248200768).

Almost surely, 2^{256004463343166} is an apocalyptic number.

256004463343166 is a deficient number, since it is larger than the sum of its proper divisors (128895507869122).

256004463343166 is a wasteful number, since it uses less digits than its factorization.

256004463343166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782367.

The product of its (nonzero) digits is 22394880, while the sum is 53.

The spelling of 256004463343166 in words is "two hundred fifty-six trillion, four billion, four hundred sixty-three million, three hundred forty-three thousand, one hundred sixty-six".