655438834556 has 48 divisors (see below), whose sum is σ = 1269918730080. Its totient is φ = 293501445120.

The previous prime is 655438834529. The next prime is 655438834643.

655438834556 is nontrivially palindromic in base 10.

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, 2633630 + ... + 2871738.

It is an arithmetic number, because the mean of its divisors is an integer number (26456640210).

Almost surely, 2^655438834556 is an apocalyptic number.

It is an amenable number.

655438834556 is a deficient number, since it is larger than the sum of its proper divisors (614479895524).

655438834556 is a wasteful number, since it uses less digits than its factorization.

655438834556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239054 (or 239052 counting only the distinct ones).

The product of its digits is 207360000, while the sum is 62.

The spelling of 655438834556 in words is "six hundred fifty-five billion, four hundred thirty-eight million, eight hundred thirty-four thousand, five hundred fifty-six".