655847748556 has 48 divisors (see below), whose sum is σ = 1541012901120. Its totient is φ = 235869318720.

The previous prime is 655847748551. The next prime is 655847748571.

655847748556 is nontrivially palindromic in base 10.

655847748556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (655847748551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81895066 + ... + 81903073.

It is an arithmetic number, because the mean of its divisors is an integer number (32104435440).

Almost surely, 2^655847748556 is an apocalyptic number.

It is an amenable number.

655847748556 is an abundant number, since it is smaller than the sum of its proper divisors (885165152564).

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

655847748556 is a wasteful number, since it uses less digits than its factorization.

655847748556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163798174 (or 163798172 counting only the distinct ones).

The product of its digits is 1128960000, while the sum is 70.

The spelling of 655847748556 in words is "six hundred fifty-five billion, eight hundred forty-seven million, seven hundred forty-eight thousand, five hundred fifty-six".