164432504 has 8 divisors (see below), whose sum is σ = 308310960. Its totient is φ = 82216248.

The previous prime is 164432501. The next prime is 164432519. The reversal of 164432504 is 405234461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×164432504³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164432501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10277024 + ... + 10277039.

It is an arithmetic number, because the mean of its divisors is an integer number (38538870).

Almost surely, 2^164432504 is an apocalyptic number.

It is an amenable number.

164432504 is a deficient number, since it is larger than the sum of its proper divisors (143878456).

164432504 is a wasteful number, since it uses less digits than its factorization.

164432504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20554069 (or 20554065 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 164432504 is about 12823.1238003850. The cubic root of 164432504 is about 547.8511237118.

Adding to 164432504 its reverse (405234461), we get a palindrome (569666965).

The spelling of 164432504 in words is "one hundred sixty-four million, four hundred thirty-two thousand, five hundred four".