258966117 has 12 divisors (see below), whose sum is σ = 396066060. Its totient is φ = 162488448.

The previous prime is 258966107. The next prime is 258966119. The reversal of 258966117 is 711669852.

258966117 is a `hidden beast` number, since 2 + 589 + 6 + 61 + 1 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 81703521 + 177262596 = 9039^2 + 13314^2 .

It is not a de Polignac number, because 258966117 - 2⁴ = 258966101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258966119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 846142 + ... + 846447.

It is an arithmetic number, because the mean of its divisors is an integer number (33005505).

Almost surely, 2^258966117 is an apocalyptic number.

It is an amenable number.

258966117 is a deficient number, since it is larger than the sum of its proper divisors (137099943).

258966117 is a wasteful number, since it uses less digits than its factorization.

258966117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692612 (or 1692609 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 258966117 is about 16092.4242114108. The cubic root of 258966117 is about 637.4033108262.

The spelling of 258966117 in words is "two hundred fifty-eight million, nine hundred sixty-six thousand, one hundred seventeen".