655776576 has 168 divisors, whose sum is σ = 2313618944. Its totient is φ = 172938240.

The previous prime is 655776557. The next prime is 655776601. The reversal of 655776576 is 675677556.

655776576 is a `hidden beast` number, since 6 + 5 + 577 + 65 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

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, 46161 + ... + 58671.

Almost surely, 2^655776576 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 655776576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1156809472).

655776576 is an abundant number, since it is smaller than the sum of its proper divisors (1657842368).

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

655776576 is a wasteful number, since it uses less digits than its factorization.

655776576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12549 (or 12536 counting only the distinct ones).

The product of its digits is 9261000, while the sum is 54.

The square root of 655776576 is about 25608.1349574701. The cubic root of 655776576 is about 868.7976414982.

The spelling of 655776576 in words is "six hundred fifty-five million, seven hundred seventy-six thousand, five hundred seventy-six".