163429793 has 4 divisors (see below), whose sum is σ = 166513428. Its totient is φ = 160346160.

The previous prime is 163429759. The next prime is 163429801. The reversal of 163429793 is 397924361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111344704 + 52085089 = 10552^2 + 7217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163429793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163429733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541738 + ... + 1541843.

It is an arithmetic number, because the mean of its divisors is an integer number (41628357).

Almost surely, 2^163429793 is an apocalyptic number.

It is an amenable number.

163429793 is a deficient number, since it is larger than the sum of its proper divisors (3083635).

163429793 is an equidigital number, since it uses as much as digits as its factorization.

163429793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083634.

The product of its digits is 244944, while the sum is 44.

The square root of 163429793 is about 12783.9662468265. The cubic root of 163429793 is about 546.7352519458.

The spelling of 163429793 in words is "one hundred sixty-three million, four hundred twenty-nine thousand, seven hundred ninety-three".