258116658 has 16 divisors (see below), whose sum is σ = 516390816. Its totient is φ = 86012640.

The previous prime is 258116657. The next prime is 258116669. The reversal of 258116658 is 856611852.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (258116657) 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 7 ways as a sum of consecutive naturals, for example, 34785 + ... + 41547.

It is an arithmetic number, because the mean of its divisors is an integer number (32274426).

Almost surely, 2^258116658 is an apocalyptic number.

258116658 is an abundant number, since it is smaller than the sum of its proper divisors (258274158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258116658 is a wasteful number, since it uses less digits than its factorization.

258116658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13129.

The product of its digits is 115200, while the sum is 42.

The square root of 258116658 is about 16066.0093987275. The cubic root of 258116658 is about 636.7056119862.

The spelling of 258116658 in words is "two hundred fifty-eight million, one hundred sixteen thousand, six hundred fifty-eight".