163829953 has 4 divisors (see below), whose sum is σ = 187234240. Its totient is φ = 140425668.

The previous prime is 163829933. The next prime is 163829977. The reversal of 163829953 is 359928361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163829953 - 2¹³ = 163821761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163829923) 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 3 ways as a sum of consecutive naturals, for example, 11702133 + ... + 11702146.

It is an arithmetic number, because the mean of its divisors is an integer number (46808560).

Almost surely, 2^163829953 is an apocalyptic number.

It is an amenable number.

163829953 is a deficient number, since it is larger than the sum of its proper divisors (23404287).

163829953 is an equidigital number, since it uses as much as digits as its factorization.

163829953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23404286.

The product of its digits is 349920, while the sum is 46.

The square root of 163829953 is about 12799.6075330457. The cubic root of 163829953 is about 547.1811177285.

It can be divided in two parts, 16382 and 9953, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 163829953 in words is "one hundred sixty-three million, eight hundred twenty-nine thousand, nine hundred fifty-three".