618712175582256 has 160 divisors (see below), whose sum is σ = 1850967375505920. Its totient is φ = 174429205051392.

The previous prime is 618712175582233. The next prime is 618712175582297. The reversal of 618712175582256 is 652285571217816.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8849646 + ... + 36273138.

It is an arithmetic number, because the mean of its divisors is an integer number (11568546096912).

Almost surely, 2^{618712175582256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618712175582256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (925483687752960).

618712175582256 is an abundant number, since it is smaller than the sum of its proper divisors (1232255199923664).

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

618712175582256 is a wasteful number, since it uses less digits than its factorization.

618712175582256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27424403 (or 27424397 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 66.

The spelling of 618712175582256 in words is "six hundred eighteen trillion, seven hundred twelve billion, one hundred seventy-five million, five hundred eighty-two thousand, two hundred fifty-six".