163540536 has 16 divisors (see below), whose sum is σ = 408851400. Its totient is φ = 54513504.

The previous prime is 163540519. The next prime is 163540547. The reversal of 163540536 is 635045361.

163540536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 163540497 and 163540506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3407071 + ... + 3407118.

Almost surely, 2^163540536 is an apocalyptic number.

It is an amenable number.

163540536 is an abundant number, since it is smaller than the sum of its proper divisors (245310864).

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

163540536 is a wasteful number, since it uses less digits than its factorization.

163540536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814198 (or 6814194 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 163540536 is about 12788.2968373431. The cubic root of 163540536 is about 546.8587166460.

Adding to 163540536 its reverse (635045361), we get a palindrome (798585897).

The spelling of 163540536 in words is "one hundred sixty-three million, five hundred forty thousand, five hundred thirty-six".