505616168 has 32 divisors (see below), whose sum is σ = 955821600. Its totient is φ = 250740672.

The previous prime is 505616161. The next prime is 505616171. The reversal of 505616168 is 861616505.

It is not an unprimeable number, because it can be changed into a prime (505616161) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 924071 + ... + 924617.

It is an arithmetic number, because the mean of its divisors is an integer number (29869425).

Almost surely, 2^505616168 is an apocalyptic number.

It is an amenable number.

505616168 is a deficient number, since it is larger than the sum of its proper divisors (450205432).

505616168 is a wasteful number, since it uses less digits than its factorization.

505616168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 505616168 is about 22485.9104329800. The cubic root of 505616168 is about 796.6611721716.

The spelling of 505616168 in words is "five hundred five million, six hundred sixteen thousand, one hundred sixty-eight".