655507104 has 144 divisors (see below), whose sum is σ = 2012453856. Its totient is φ = 186278400.

The previous prime is 655507103. The next prime is 655507109. The reversal of 655507104 is 401705556.

It is not an unprimeable number, because it can be changed into a prime (655507103) 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 23 ways as a sum of consecutive naturals, for example, 1556814 + ... + 1557234.

It is an arithmetic number, because the mean of its divisors is an integer number (13975374).

Almost surely, 2^655507104 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 655507104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006226928).

655507104 is an abundant number, since it is smaller than the sum of its proper divisors (1356946752).

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

655507104 is a wasteful number, since it uses less digits than its factorization.

655507104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 655507104 is about 25602.8729637906. The cubic root of 655507104 is about 868.6786229576.

The spelling of 655507104 in words is "six hundred fifty-five million, five hundred seven thousand, one hundred four".