163344929 has 8 divisors (see below), whose sum is σ = 178541472. Its totient is φ = 148206240.

The previous prime is 163344889. The next prime is 163344931. The reversal of 163344929 is 929443361.

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

It is a cyclic number.

It is not a de Polignac number, because 163344929 - 2¹⁶ = 163279393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163344989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8444 + ... + 19949.

It is an arithmetic number, because the mean of its divisors is an integer number (22317684).

Almost surely, 2^163344929 is an apocalyptic number.

It is an amenable number.

163344929 is a deficient number, since it is larger than the sum of its proper divisors (15196543).

163344929 is a wasteful number, since it uses less digits than its factorization.

163344929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28927.

The product of its digits is 139968, while the sum is 41.

The square root of 163344929 is about 12780.6466581312. The cubic root of 163344929 is about 546.6406013664.

The spelling of 163344929 in words is "one hundred sixty-three million, three hundred forty-four thousand, nine hundred twenty-nine".