163429919 has 8 divisors (see below), whose sum is σ = 166493808. Its totient is φ = 160378560.

The previous prime is 163429909. The next prime is 163429921. The reversal of 163429919 is 919924361.

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 163429919 - 2⁸ = 163429663 is a prime.

It is a super-2 number, since 2×163429919² = 53418676848693122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163429919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163429909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25619 + ... + 31355.

It is an arithmetic number, because the mean of its divisors is an integer number (20811726).

Almost surely, 2^163429919 is an apocalyptic number.

163429919 is a deficient number, since it is larger than the sum of its proper divisors (3063889).

163429919 is an equidigital number, since it uses as much as digits as its factorization.

163429919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265.

The product of its digits is 104976, while the sum is 44.

The square root of 163429919 is about 12783.9711748736. The cubic root of 163429919 is about 546.7353924518.

The spelling of 163429919 in words is "one hundred sixty-three million, four hundred twenty-nine thousand, nine hundred nineteen".