258163025563 has 2 divisors, whose sum is σ = 258163025564. Its totient is φ = 258163025562.

The previous prime is 258163025539. The next prime is 258163025569. The reversal of 258163025563 is 365520361852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258163025563 - 2⁵ = 258163025531 is a prime.

It is not a weakly prime, because it can be changed into another prime (258163025569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129081512781 + 129081512782.

It is an arithmetic number, because the mean of its divisors is an integer number (129081512782).

Almost surely, 2^258163025563 is an apocalyptic number.

258163025563 is a deficient number, since it is larger than the sum of its proper divisors (1).

258163025563 is an equidigital number, since it uses as much as digits as its factorization.

258163025563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 258163025563 in words is "two hundred fifty-eight billion, one hundred sixty-three million, twenty-five thousand, five hundred sixty-three".