163829869 has 8 divisors (see below), whose sum is σ = 187335680. Its totient is φ = 140349456.

The previous prime is 163829857. The next prime is 163829909. The reversal of 163829869 is 968928361.

It is a happy number.

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 163829869 - 2⁷ = 163829741 is a prime.

It is a super-2 number, since 2×163829869² = 53680451953114322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163829569) 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, 10447 + ... + 20899.

It is an arithmetic number, because the mean of its divisors is an integer number (23416960).

Almost surely, 2^163829869 is an apocalyptic number.

It is an amenable number.

163829869 is a deficient number, since it is larger than the sum of its proper divisors (23505811).

163829869 is a wasteful number, since it uses less digits than its factorization.

163829869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12699.

The product of its digits is 1119744, while the sum is 52.

The square root of 163829869 is about 12799.6042516947. The cubic root of 163829869 is about 547.1810242104.

The spelling of 163829869 in words is "one hundred sixty-three million, eight hundred twenty-nine thousand, eight hundred sixty-nine".