163553422 has 8 divisors (see below), whose sum is σ = 245385000. Its totient is φ = 81758424.

The previous prime is 163553419. The next prime is 163553443. The reversal of 163553422 is 224355361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10329 + ... + 20827.

It is an arithmetic number, because the mean of its divisors is an integer number (30673125).

Almost surely, 2^163553422 is an apocalyptic number.

163553422 is a deficient number, since it is larger than the sum of its proper divisors (81831578).

163553422 is a wasteful number, since it uses less digits than its factorization.

163553422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18290.

The product of its digits is 21600, while the sum is 31.

The square root of 163553422 is about 12788.8006474415. The cubic root of 163553422 is about 546.8730793162.

The spelling of 163553422 in words is "one hundred sixty-three million, five hundred fifty-three thousand, four hundred twenty-two".