618542112 has 96 divisors (see below), whose sum is σ = 1724829120. Its totient is φ = 193536000.

The previous prime is 618542083. The next prime is 618542147. The reversal of 618542112 is 211245816.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 618542112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204612 + ... + 207612.

It is an arithmetic number, because the mean of its divisors is an integer number (17966970).

Almost surely, 2^618542112 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 618542112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862414560).

618542112 is an abundant number, since it is smaller than the sum of its proper divisors (1106287008).

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

618542112 is a wasteful number, since it uses less digits than its factorization.

618542112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146 (or 3138 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 618542112 is about 24870.5068705887. The cubic root of 618542112 is about 852.0330168606.

Adding to 618542112 its reverse (211245816), we get a palindrome (829787928).

The spelling of 618542112 in words is "six hundred eighteen million, five hundred forty-two thousand, one hundred twelve".