655162112 has 72 divisors (see below), whose sum is σ = 1435108752. Its totient is φ = 296038400.

The previous prime is 655162111. The next prime is 655162117. The reversal of 655162112 is 211261556.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655162111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 554162 + ... + 555342.

It is an arithmetic number, because the mean of its divisors is an integer number (19932066).

Almost surely, 2^655162112 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 655162112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717554376).

655162112 is an abundant number, since it is smaller than the sum of its proper divisors (779946640).

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

655162112 is a wasteful number, since it uses less digits than its factorization.

655162112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1391 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 655162112 is about 25596.1347081937. The cubic root of 655162112 is about 868.5262016419.

The spelling of 655162112 in words is "six hundred fifty-five million, one hundred sixty-two thousand, one hundred twelve".