258373966 has 16 divisors (see below), whose sum is σ = 390412080. Its totient is φ = 128240640.

The previous prime is 258373961. The next prime is 258373967. The reversal of 258373966 is 669373852.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258373961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182670 + ... + 184078.

It is an arithmetic number, because the mean of its divisors is an integer number (24400755).

Almost surely, 2^258373966 is an apocalyptic number.

258373966 is a deficient number, since it is larger than the sum of its proper divisors (132038114).

258373966 is a wasteful number, since it uses less digits than its factorization.

258373966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019.

The product of its digits is 1632960, while the sum is 49.

The square root of 258373966 is about 16074.0152419985. The cubic root of 258373966 is about 636.9171120113.

The spelling of 258373966 in words is "two hundred fifty-eight million, three hundred seventy-three thousand, nine hundred sixty-six".