618152352384 has 256 divisors, whose sum is σ = 2039023411200. Its totient is φ = 161921617920.

The previous prime is 618152352383. The next prime is 618152352397. The reversal of 618152352384 is 483253251816.

It is a super-2 number, since 2×618152352384² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (618152352383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1388014 + ... + 1778450.

It is an arithmetic number, because the mean of its divisors is an integer number (7964935200).

Almost surely, 2^618152352384 is an apocalyptic number.

618152352384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618152352384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019511705600).

618152352384 is an abundant number, since it is smaller than the sum of its proper divisors (1420871058816).

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

618152352384 is a wasteful number, since it uses less digits than its factorization.

618152352384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390511 (or 390499 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The spelling of 618152352384 in words is "six hundred eighteen billion, one hundred fifty-two million, three hundred fifty-two thousand, three hundred eighty-four".