163022538 has 32 divisors (see below), whose sum is σ = 373234176. Its totient is φ = 46501488.

The previous prime is 163022507. The next prime is 163022549. The reversal of 163022538 is 835220361.

163022538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163022538² = 53152695791922888, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25845 + ... + 31527.

It is an arithmetic number, because the mean of its divisors is an integer number (11663568).

Almost surely, 2^163022538 is an apocalyptic number.

163022538 is an abundant number, since it is smaller than the sum of its proper divisors (210211638).

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

163022538 is a wasteful number, since it uses less digits than its factorization.

163022538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 163022538 is about 12768.0279604957. The cubic root of 163022538 is about 546.2807328753.

Adding to 163022538 its reverse (835220361), we get a palindrome (998242899).

The spelling of 163022538 in words is "one hundred sixty-three million, twenty-two thousand, five hundred thirty-eight".