163929 has 8 divisors (see below), whose sum is σ = 222912. Its totient is φ = 107120.

The previous prime is 163927. The next prime is 163973. The reversal of 163929 is 929361.

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 163929 - 2¹ = 163927 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 163896 and 163905.

It is not an unprimeable number, because it can be changed into a prime (163927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357 + ... + 674.

It is an arithmetic number, because the mean of its divisors is an integer number (27864).

2¹⁶³⁹²⁹ is an apocalyptic number.

It is an amenable number.

163929 is a deficient number, since it is larger than the sum of its proper divisors (58983).

163929 is a wasteful number, since it uses less digits than its factorization.

163929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its digits is 2916, while the sum is 30.

The square root of 163929 is about 404.8814641349. The cubic root of 163929 is about 54.7291365639.

The spelling of 163929 in words is "one hundred sixty-three thousand, nine hundred twenty-nine".