164529869 has 8 divisors (see below), whose sum is σ = 188990208. Its totient is φ = 140308560.

The previous prime is 164529863. The next prime is 164529887. The reversal of 164529869 is 968925461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164529869 - 2⁴ = 164529853 is a prime.

It is a super-2 number, since 2×164529869² = 54140155586314322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164529863) 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, 58277 + ... + 61034.

It is an arithmetic number, because the mean of its divisors is an integer number (23623776).

Almost surely, 2^164529869 is an apocalyptic number.

It is an amenable number.

164529869 is a deficient number, since it is larger than the sum of its proper divisors (24460339).

164529869 is a wasteful number, since it uses less digits than its factorization.

164529869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119515.

The product of its digits is 933120, while the sum is 50.

The square root of 164529869 is about 12826.9197003801. The cubic root of 164529869 is about 547.9592349398.

The spelling of 164529869 in words is "one hundred sixty-four million, five hundred twenty-nine thousand, eight hundred sixty-nine".