258665424566852 has 6 divisors (see below), whose sum is σ = 452664492991998. Its totient is φ = 129332712283424.

The previous prime is 258665424566851. The next prime is 258665424566863.

258665424566852 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 139644655973956 + 119020768592896 = 11817134^2 + 10909664^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 258665424566852.

It is not an unprimeable number, because it can be changed into a prime (258665424566851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32333178070853 + ... + 32333178070860.

It is an arithmetic number, because the mean of its divisors is an integer number (75444082165333).

Almost surely, 2^{258665424566852} is an apocalyptic number.

It is an amenable number.

258665424566852 is a deficient number, since it is larger than the sum of its proper divisors (193999068425146).

258665424566852 is a wasteful number, since it uses less digits than its factorization.

258665424566852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64666356141717 (or 64666356141715 counting only the distinct ones).

The product of its digits is 6635520000, while the sum is 74.

The spelling of 258665424566852 in words is "two hundred fifty-eight trillion, six hundred sixty-five billion, four hundred twenty-four million, five hundred sixty-six thousand, eight hundred fifty-two".