618195791304 has 384 divisors, whose sum is σ = 2197619424000. Its totient is φ = 152342249472.

The previous prime is 618195791261. The next prime is 618195791359. The reversal of 618195791304 is 403197591816.

618195791304 is a `hidden beast` number, since 6 + 181 + 95 + 79 + 1 + 304 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15462412 + ... + 15502340.

It is an arithmetic number, because the mean of its divisors is an integer number (5722967250).

Almost surely, 2^618195791304 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 618195791304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1098809712000).

618195791304 is an abundant number, since it is smaller than the sum of its proper divisors (1579423632696).

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

618195791304 is a wasteful number, since it uses less digits than its factorization.

618195791304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40117 (or 40110 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 618195791304 in words is "six hundred eighteen billion, one hundred ninety-five million, seven hundred ninety-one thousand, three hundred four".