655557170052 has 12 divisors (see below), whose sum is σ = 1529633396816. Its totient is φ = 218519056680.

The previous prime is 655557170039. The next prime is 655557170071. The reversal of 655557170052 is 250071755556.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 655557169983 and 655557170010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27314882074 + ... + 27314882097.

Almost surely, 2^655557170052 is an apocalyptic number.

It is an amenable number.

655557170052 is an abundant number, since it is smaller than the sum of its proper divisors (874076226764).

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

655557170052 is a wasteful number, since it uses less digits than its factorization.

655557170052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54629764178 (or 54629764176 counting only the distinct ones).

The product of its (nonzero) digits is 1837500, while the sum is 48.

The spelling of 655557170052 in words is "six hundred fifty-five billion, five hundred fifty-seven million, one hundred seventy thousand, fifty-two".