505505168 has 40 divisors (see below), whose sum is σ = 1142188800. Its totient is φ = 216642720.

The previous prime is 505505167. The next prime is 505505191. The reversal of 505505168 is 861505505.

It is not an unprimeable number, because it can be changed into a prime (505505167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40568 + ... + 51543.

It is an arithmetic number, because the mean of its divisors is an integer number (28554720).

Almost surely, 2^505505168 is an apocalyptic number.

It is an amenable number.

505505168 is an abundant number, since it is smaller than the sum of its proper divisors (636683632).

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

505505168 is an equidigital number, since it uses as much as digits as its factorization.

505505168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92140 (or 92120 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 505505168 is about 22483.4420852324. The cubic root of 505505168 is about 796.6028698021.

The spelling of 505505168 in words is "five hundred five million, five hundred five thousand, one hundred sixty-eight".