618545582258 has 6 divisors (see below), whose sum is σ = 927820041759. Its totient is φ = 309272235006.

The previous prime is 618545582251. The next prime is 618545582329. The reversal of 618545582258 is 852285545816.

It can be written as a sum of positive squares in only one way, i.e., 309272791129 + 309272791129 = 556123^2 + 556123^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=556123.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 618545582197 and 618545582206.

It is not an unprimeable number, because it can be changed into a prime (618545582251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 834185 + ... + 1390307.

Almost surely, 2^618545582258 is an apocalyptic number.

618545582258 is a deficient number, since it is larger than the sum of its proper divisors (309274459501).

618545582258 is an frugal number, since it uses more digits than its factorization.

618545582258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112248 (or 556125 counting only the distinct ones).

The product of its digits is 30720000, while the sum is 59.

The spelling of 618545582258 in words is "six hundred eighteen billion, five hundred forty-five million, five hundred eighty-two thousand, two hundred fifty-eight".