618543782181248 has 512 divisors, whose sum is σ = 1553327677440000. Its totient is φ = 238339700121600.

The previous prime is 618543782181233. The next prime is 618543782181253. The reversal of 618543782181248 is 842181287345816.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 502472608793 + ... + 502472610023.

It is an arithmetic number, because the mean of its divisors is an integer number (3033843120000).

Almost surely, 2^{618543782181248} 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 618543782181248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776663838720000).

618543782181248 is an abundant number, since it is smaller than the sum of its proper divisors (934783895258752).

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

618543782181248 is a wasteful number, since it uses less digits than its factorization.

618543782181248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614 (or 2602 counting only the distinct ones).

The product of its digits is 165150720, while the sum is 68.

The spelling of 618543782181248 in words is "six hundred eighteen trillion, five hundred forty-three billion, seven hundred eighty-two million, one hundred eighty-one thousand, two hundred forty-eight".