505120160 has 24 divisors (see below), whose sum is σ = 1193346756. Its totient is φ = 202048000.

The previous prime is 505120159. The next prime is 505120237. The reversal of 505120160 is 61021505.

It can be written as a sum of positive squares in 2 ways, for example, as 504811024 + 309136 = 22468^2 + 556^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1578341 + ... + 1578660.

Almost surely, 2^505120160 is an apocalyptic number.

It is an amenable number.

505120160 is an abundant number, since it is smaller than the sum of its proper divisors (688226596).

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

505120160 is a wasteful number, since it uses less digits than its factorization.

505120160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157016 (or 3157008 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 505120160 is about 22474.8784201383. The cubic root of 505120160 is about 796.4005795034.

Adding to 505120160 its reverse (61021505), we get a palindrome (566141665).

The spelling of 505120160 in words is "five hundred five million, one hundred twenty thousand, one hundred sixty".