164429329 has 3 divisors (see below), whose sum is σ = 164442153. Its totient is φ = 164416506.

The previous prime is 164429327. The next prime is 164429339. The reversal of 164429329 is 923924461.

The square root of 164429329 is 12823.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 164429329 - 2¹ = 164429327 is a prime.

It is a super-3 number, since 3×164429329³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164429291 and 164429300.

It is not an unprimeable number, because it can be changed into a prime (164429327) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6412 + ... + 19234.

It is an arithmetic number, because the mean of its divisors is an integer number (54814051).

Almost surely, 2^164429329 is an apocalyptic number.

164429329 is the 12823-rd square number.

164429329 is the 6412-nd centered octagonal number.

It is an amenable number.

164429329 is a deficient number, since it is larger than the sum of its proper divisors (12824).

164429329 is an frugal number, since it uses more digits than its factorization.

164429329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25646 (or 12823 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The cubic root of 164429329 is about 547.8475975669.

The spelling of 164429329 in words is "one hundred sixty-four million, four hundred twenty-nine thousand, three hundred twenty-nine".