256303303535616 has 88 divisors (see below), whose sum is σ = 706698360075120. Its totient is φ = 82488419500032.

The previous prime is 256303303535597. The next prime is 256303303535623. The reversal of 256303303535616 is 616535303303652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438394791 + ... + 1438572966.

Almost surely, 2^{256303303535616} is an apocalyptic number.

It is an amenable number.

256303303535616 is an abundant number, since it is smaller than the sum of its proper divisors (450395056539504).

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

256303303535616 is a wasteful number, since it uses less digits than its factorization.

256303303535616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876967809 (or 2876967791 counting only the distinct ones).

The product of its (nonzero) digits is 13122000, while the sum is 51.

The spelling of 256303303535616 in words is "two hundred fifty-six trillion, three hundred three billion, three hundred three million, five hundred thirty-five thousand, six hundred sixteen".