163500516 has 18 divisors (see below), whose sum is σ = 413293062. Its totient is φ = 54500160.

The previous prime is 163500503. The next prime is 163500523. The reversal of 163500516 is 615005361.

It is a happy number.

163500516 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 142706916 + 20793600 = 11946^2 + 4560^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 163500516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2270805 + ... + 2270876.

Almost surely, 2^163500516 is an apocalyptic number.

It is an amenable number.

163500516 is an abundant number, since it is smaller than the sum of its proper divisors (249792546).

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

163500516 is a wasteful number, since it uses less digits than its factorization.

163500516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541691 (or 4541686 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 163500516 is about 12786.7320297252. The cubic root of 163500516 is about 546.8141057465.

Adding to 163500516 its reverse (615005361), we get a palindrome (778505877).

The spelling of 163500516 in words is "one hundred sixty-three million, five hundred thousand, five hundred sixteen".