655556112 has 80 divisors (see below), whose sum is σ = 1891486080. Its totient is φ = 217381248.

The previous prime is 655556071. The next prime is 655556131. The reversal of 655556112 is 211655556.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 81253 + ... + 88955.

It is an arithmetic number, because the mean of its divisors is an integer number (23643576).

Almost surely, 2^655556112 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 655556112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945743040).

655556112 is an abundant number, since it is smaller than the sum of its proper divisors (1235929968).

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

655556112 is a wasteful number, since it uses less digits than its factorization.

655556112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7917 (or 7905 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 655556112 is about 25603.8300259942. The cubic root of 655556112 is about 868.7002709005.

The spelling of 655556112 in words is "six hundred fifty-five million, five hundred fifty-six thousand, one hundred twelve".