256255161116 has 12 divisors (see below), whose sum is σ = 448464854040. Its totient is φ = 128122345680.

The previous prime is 256255161101. The next prime is 256255161199. The reversal of 256255161116 is 611161552652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197530 + ... + 1395201.

It is an arithmetic number, because the mean of its divisors is an integer number (37372071170).

Almost surely, 2^256255161116 is an apocalyptic number.

It is an amenable number.

256255161116 is a deficient number, since it is larger than the sum of its proper divisors (192209692924).

256255161116 is a wasteful number, since it uses less digits than its factorization.

256255161116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617444 (or 2617442 counting only the distinct ones).

The product of its digits is 108000, while the sum is 41.

The spelling of 256255161116 in words is "two hundred fifty-six billion, two hundred fifty-five million, one hundred sixty-one thousand, one hundred sixteen".