618022388736 has 297 divisors, whose sum is σ = 1887771912663. Its totient is φ = 194712145920.

The previous prime is 618022388729. The next prime is 618022388741. The reversal of 618022388736 is 637883220816.

The square root of 618022388736 is 786144.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1433926441 + ... + 1433926871.

Almost surely, 2^618022388736 is an apocalyptic number.

618022388736 is the 786144-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618022388736

618022388736 is an abundant number, since it is smaller than the sum of its proper divisors (1269749523927).

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

618022388736 is an equidigital number, since it uses as much as digits as its factorization.

618022388736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 618022388736 in words is "six hundred eighteen billion, twenty-two million, three hundred eighty-eight thousand, seven hundred thirty-six".