258395869416768 has 28 divisors (see below), whose sum is σ = 683672404499040. Its totient is φ = 86131956472192.

The previous prime is 258395869416743. The next prime is 258395869416863. The reversal of 258395869416768 is 867614968593852.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 672905909748 + ... + 672905910131.

Almost surely, 2^{258395869416768} is an apocalyptic number.

It is an amenable number.

258395869416768 is an abundant number, since it is smaller than the sum of its proper divisors (425276535082272).

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

258395869416768 is a wasteful number, since it uses less digits than its factorization.

258395869416768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345811819894 (or 1345811819884 counting only the distinct ones).

The product of its digits is 37623398400, while the sum is 87.

The spelling of 258395869416768 in words is "two hundred fifty-eight trillion, three hundred ninety-five billion, eight hundred sixty-nine million, four hundred sixteen thousand, seven hundred sixty-eight".