655505561170 has 16 divisors (see below), whose sum is σ = 1231210445760. Its totient is φ = 250802127664.

The previous prime is 655505561143. The next prime is 655505561257. The reversal of 655505561170 is 71165505556.

It is a super-2 number, since 2×655505561170² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 655505561170.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1425011860 + ... + 1425012319.

It is an arithmetic number, because the mean of its divisors is an integer number (76950652860).

Almost surely, 2^655505561170 is an apocalyptic number.

655505561170 is a deficient number, since it is larger than the sum of its proper divisors (575704884590).

655505561170 is a wasteful number, since it uses less digits than its factorization.

655505561170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850024209.

The product of its (nonzero) digits is 787500, while the sum is 46.

The spelling of 655505561170 in words is "six hundred fifty-five billion, five hundred five million, five hundred sixty-one thousand, one hundred seventy".