655655544888 has 32 divisors (see below), whose sum is σ = 1640122248960. Its totient is φ = 218420730080.

The previous prime is 655655544853. The next prime is 655655544923. The reversal of 655655544888 is 888445556556.

It is an interprime number because it is at equal distance from previous prime (655655544853) and next prime (655655544923).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8154048 + ... + 8234063.

It is an arithmetic number, because the mean of its divisors is an integer number (51253820280).

Almost surely, 2^655655544888 is an apocalyptic number.

It is an amenable number.

655655544888 is an abundant number, since it is smaller than the sum of its proper divisors (984466704072).

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

655655544888 is a wasteful number, since it uses less digits than its factorization.

655655544888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16389787 (or 16389783 counting only the distinct ones).

The product of its digits is 921600000, while the sum is 69.

The spelling of 655655544888 in words is "six hundred fifty-five billion, six hundred fifty-five million, five hundred forty-four thousand, eight hundred eighty-eight".