255310620163 has 2 divisors, whose sum is σ = 255310620164. Its totient is φ = 255310620162.

The previous prime is 255310620127. The next prime is 255310620179. The reversal of 255310620163 is 361026013552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255310620163 - 2⁹ = 255310619651 is a prime.

It is not a weakly prime, because it can be changed into another prime (255310620563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127655310081 + 127655310082.

It is an arithmetic number, because the mean of its divisors is an integer number (127655310082).

Almost surely, 2^255310620163 is an apocalyptic number.

255310620163 is a deficient number, since it is larger than the sum of its proper divisors (1).

255310620163 is an equidigital number, since it uses as much as digits as its factorization.

255310620163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 255310620163 in words is "two hundred fifty-five billion, three hundred ten million, six hundred twenty thousand, one hundred sixty-three".