230165858 has 16 divisors (see below), whose sum is σ = 375101496. Its totient is φ = 105288960.

The previous prime is 230165851. The next prime is 230165869. The reversal of 230165858 is 858561032.

230165858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 117657409 + 112508449 = 10847^2 + 10607^2 .

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230165851) 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, 36233 + ... + 42108.

Almost surely, 2^230165858 is an apocalyptic number.

230165858 is a deficient number, since it is larger than the sum of its proper divisors (144935638).

230165858 is a wasteful number, since it uses less digits than its factorization.

230165858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78469.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 230165858 is about 15171.2180789810. The cubic root of 230165858 is about 612.8398074458.

The spelling of 230165858 in words is "two hundred thirty million, one hundred sixty-five thousand, eight hundred fifty-eight".