255633662216 has 48 divisors (see below), whose sum is σ = 510477236100. Its totient is φ = 119988521984.

The previous prime is 255633662209. The next prime is 255633662243. The reversal of 255633662216 is 612266336552.

It can be written as a sum of positive squares in 6 ways, for example, as 138498599716 + 117135062500 = 372154^2 + 342250^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 757250 + ... + 1041486.

Almost surely, 2^255633662216 is an apocalyptic number.

It is an amenable number.

255633662216 is a deficient number, since it is larger than the sum of its proper divisors (254843573884).

255633662216 is a wasteful number, since it uses less digits than its factorization.

255633662216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284666 (or 284645 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 47.

Adding to 255633662216 its reverse (612266336552), we get a palindrome (867899998768).

The spelling of 255633662216 in words is "two hundred fifty-five billion, six hundred thirty-three million, six hundred sixty-two thousand, two hundred sixteen".