618378112 has 64 divisors (see below), whose sum is σ = 1348358400. Its totient is φ = 280153600.

The previous prime is 618378091. The next prime is 618378169. The reversal of 618378112 is 211873816.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606339 + ... + 607357.

It is an arithmetic number, because the mean of its divisors is an integer number (21068100).

Almost surely, 2^618378112 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 618378112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674179200).

618378112 is an abundant number, since it is smaller than the sum of its proper divisors (729980288).

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

618378112 is a wasteful number, since it uses less digits than its factorization.

618378112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1463 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 618378112 is about 24867.2095740555. The cubic root of 618378112 is about 851.9577076438.

The spelling of 618378112 in words is "six hundred eighteen million, three hundred seventy-eight thousand, one hundred twelve".