655170442812 has 48 divisors (see below), whose sum is σ = 1701215550720. Its totient is φ = 218052581616.

The previous prime is 655170442793. The next prime is 655170442813. The reversal of 655170442812 is 218244071556.

655170442812 is a `hidden beast` number, since 6 + 55 + 170 + 4 + 428 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655170442813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4618218 + ... + 4757969.

It is an arithmetic number, because the mean of its divisors is an integer number (35441990640).

Almost surely, 2^655170442812 is an apocalyptic number.

It is an amenable number.

655170442812 is an abundant number, since it is smaller than the sum of its proper divisors (1046045107908).

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

655170442812 is a wasteful number, since it uses less digits than its factorization.

655170442812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376847 (or 9376839 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 655170442812 in words is "six hundred fifty-five billion, one hundred seventy million, four hundred forty-two thousand, eight hundred twelve".