618323112 has 128 divisors (see below), whose sum is σ = 1884643200. Its totient is φ = 186278400.

The previous prime is 618323107. The next prime is 618323113. The reversal of 618323112 is 211323816.

It is a happy number.

618323112 is a `hidden beast` number, since 618 + 3 + 2 + 31 + 12 = 666.

618323112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (618323113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467412 + ... + 468732.

It is an arithmetic number, because the mean of its divisors is an integer number (14723775).

Almost surely, 2^618323112 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 618323112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942321600).

618323112 is an abundant number, since it is smaller than the sum of its proper divisors (1266320088).

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

618323112 is a wasteful number, since it uses less digits than its factorization.

618323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544 (or 1534 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 618323112 is about 24866.1036754856. The cubic root of 618323112 is about 851.9324485225.

Adding to 618323112 its reverse (211323816), we get a palindrome (829646928).

The spelling of 618323112 in words is "six hundred eighteen million, three hundred twenty-three thousand, one hundred twelve".