256603000316 has 12 divisors (see below), whose sum is σ = 483597962232. Its totient is φ = 118432153968.

The previous prime is 256603000307. The next prime is 256603000327. The reversal of 256603000316 is 613000306652.

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, 2467336490 + ... + 2467336593.

It is an arithmetic number, because the mean of its divisors is an integer number (40299830186).

Almost surely, 2^256603000316 is an apocalyptic number.

256603000316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

256603000316 is a deficient number, since it is larger than the sum of its proper divisors (226994961916).

256603000316 is a wasteful number, since it uses less digits than its factorization.

256603000316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934673100 (or 4934673098 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 256603000316 its reverse (613000306652), we get a palindrome (869603306968).

The spelling of 256603000316 in words is "two hundred fifty-six billion, six hundred three million, three hundred sixteen", and thus it is an aban number.