258186839068 has 12 divisors (see below), whose sum is σ = 453853099840. Its totient is φ = 128514524832.

The previous prime is 258186839039. The next prime is 258186839069. The reversal of 258186839068 is 860938681852.

It is a super-2 number, since 2×258186839068² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258186839069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144722673 + ... + 144724456.

Almost surely, 2^258186839068 is an apocalyptic number.

It is an amenable number.

258186839068 is a deficient number, since it is larger than the sum of its proper divisors (195666260772).

258186839068 is a wasteful number, since it uses less digits than its factorization.

258186839068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289447356 (or 289447354 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 64.

The spelling of 258186839068 in words is "two hundred fifty-eight billion, one hundred eighty-six million, eight hundred thirty-nine thousand, sixty-eight".