655896960 has 128 divisors (see below), whose sum is σ = 2323029600. Its totient is φ = 174901248.

The previous prime is 655896883. The next prime is 655897013. The reversal of 655896960 is 69698556.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 655896897 and 655896906.

It is a congruent number.

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, 1699 + ... + 36258.

Almost surely, 2^655896960 is an apocalyptic number.

655896960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655896960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161514800).

655896960 is an abundant number, since it is smaller than the sum of its proper divisors (1667132640).

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

655896960 is a wasteful number, since it uses less digits than its factorization.

655896960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37985 (or 37967 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The square root of 655896960 is about 25610.4853526832. The cubic root of 655896960 is about 868.8508013394.

The spelling of 655896960 in words is "six hundred fifty-five million, eight hundred ninety-six thousand, nine hundred sixty".