164434452 has 96 divisors (see below), whose sum is σ = 492828672. Its totient is φ = 41475456.

The previous prime is 164434441. The next prime is 164434483. The reversal of 164434452 is 254434461.

It is a happy number.

164434452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×164434452³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21843 + ... + 28389.

It is an arithmetic number, because the mean of its divisors is an integer number (5133632).

Almost surely, 2^164434452 is an apocalyptic number.

164434452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164434452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246414336).

164434452 is an abundant number, since it is smaller than the sum of its proper divisors (328394220).

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

164434452 is a wasteful number, since it uses less digits than its factorization.

164434452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6597 (or 6595 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 164434452 is about 12823.1997566910. The cubic root of 164434452 is about 547.8532871319.

Subtracting 164434452 from its reverse (254434461), we obtain a palindrome (90000009).

The spelling of 164434452 in words is "one hundred sixty-four million, four hundred thirty-four thousand, four hundred fifty-two".