163929117 has 8 divisors (see below), whose sum is σ = 238442400. Its totient is φ = 99350960.

The previous prime is 163929109. The next prime is 163929149. The reversal of 163929117 is 711929361.

It is a happy number.

163929117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 163929117 - 2³ = 163929109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163929167) 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, 2483742 + ... + 2483807.

It is an arithmetic number, because the mean of its divisors is an integer number (29805300).

Almost surely, 2^163929117 is an apocalyptic number.

It is an amenable number.

163929117 is a deficient number, since it is larger than the sum of its proper divisors (74513283).

163929117 is a wasteful number, since it uses less digits than its factorization.

163929117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967563.

The product of its digits is 20412, while the sum is 39.

The square root of 163929117 is about 12803.4806595707. The cubic root of 163929117 is about 547.2914958438.

The spelling of 163929117 in words is "one hundred sixty-three million, nine hundred twenty-nine thousand, one hundred seventeen".