618826748472 has 96 divisors (see below), whose sum is σ = 1730797330080. Its totient is φ = 199591568640.

The previous prime is 618826748459. The next prime is 618826748503. The reversal of 618826748472 is 274847628816.

618826748472 is a `hidden beast` number, since 6 + 1 + 8 + 82 + 6 + 7 + 484 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159508 + ... + 1123875.

It is an arithmetic number, because the mean of its divisors is an integer number (18029138855).

Almost surely, 2^618826748472 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 618826748472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865398665040).

618826748472 is an abundant number, since it is smaller than the sum of its proper divisors (1111970581608).

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

618826748472 is a wasteful number, since it uses less digits than its factorization.

618826748472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283613 (or 1283606 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 63.

The spelling of 618826748472 in words is "six hundred eighteen billion, eight hundred twenty-six million, seven hundred forty-eight thousand, four hundred seventy-two".