163538156 has 12 divisors (see below), whose sum is σ = 290463768. Its totient is φ = 80548512.

The previous prime is 163538143. The next prime is 163538161. The reversal of 163538156 is 651835361.

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, 304841 + ... + 305376.

It is an arithmetic number, because the mean of its divisors is an integer number (24205314).

Almost surely, 2^163538156 is an apocalyptic number.

It is an amenable number.

163538156 is a deficient number, since it is larger than the sum of its proper divisors (126925612).

163538156 is a wasteful number, since it uses less digits than its factorization.

163538156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610288 (or 610286 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 163538156 is about 12788.2037831746. The cubic root of 163538156 is about 546.8560638276.

The spelling of 163538156 in words is "one hundred sixty-three million, five hundred thirty-eight thousand, one hundred fifty-six".