505163568 has 160 divisors (see below), whose sum is σ = 1700891136. Its totient is φ = 125374464.

The previous prime is 505163563. The next prime is 505163591. The reversal of 505163568 is 865361505.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (505163563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70855 + ... + 77657.

Almost surely, 2^505163568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505163568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850445568).

505163568 is an abundant number, since it is smaller than the sum of its proper divisors (1195727568).

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

505163568 is a wasteful number, since it uses less digits than its factorization.

505163568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851 (or 6845 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 505163568 is about 22475.8440998330. The cubic root of 505163568 is about 796.4233920068.

The spelling of 505163568 in words is "five hundred five million, one hundred sixty-three thousand, five hundred sixty-eight".