164539824 has 20 divisors (see below), whose sum is σ = 425061336. Its totient is φ = 54846592.

The previous prime is 164539783. The next prime is 164539841. The reversal of 164539824 is 428935461.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713909 + ... + 1714004.

Almost surely, 2^164539824 is an apocalyptic number.

It is an amenable number.

164539824 is an abundant number, since it is smaller than the sum of its proper divisors (260521512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164539824 is a wasteful number, since it uses less digits than its factorization.

164539824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427924 (or 3427918 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 164539824 is about 12827.3077455871. The cubic root of 164539824 is about 547.9702862749.

The spelling of 164539824 in words is "one hundred sixty-four million, five hundred thirty-nine thousand, eight hundred twenty-four".