258268161 has 16 divisors (see below), whose sum is σ = 357332480. Its totient is φ = 165749760.

The previous prime is 258268141. The next prime is 258268163. The reversal of 258268161 is 161862852.

It is not a de Polignac number, because 258268161 - 2¹⁰ = 258267137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258268163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10755 + ... + 25143.

It is an arithmetic number, because the mean of its divisors is an integer number (22333280).

Almost surely, 2^258268161 is an apocalyptic number.

It is an amenable number.

258268161 is a deficient number, since it is larger than the sum of its proper divisors (99064319).

258268161 is a wasteful number, since it uses less digits than its factorization.

258268161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14616.

The product of its digits is 46080, while the sum is 39.

The square root of 258268161 is about 16070.7237235913. The cubic root of 258268161 is about 636.8301602480.

The spelling of 258268161 in words is "two hundred fifty-eight million, two hundred sixty-eight thousand, one hundred sixty-one".