164731424 has 48 divisors (see below), whose sum is σ = 381024000. Its totient is φ = 69116160.

The previous prime is 164731417. The next prime is 164731433. The reversal of 164731424 is 424137461.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 7 ways as a sum of consecutive naturals, for example, 13424 + ... + 22575.

It is an arithmetic number, because the mean of its divisors is an integer number (7938000).

Almost surely, 2^164731424 is an apocalyptic number.

It is an amenable number.

164731424 is an abundant number, since it is smaller than the sum of its proper divisors (216292576).

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

164731424 is a wasteful number, since it uses less digits than its factorization.

164731424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36033 (or 36025 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 164731424 is about 12834.7740143720. The cubic root of 164731424 is about 548.1829002144.

Adding to 164731424 its reverse (424137461), we get a palindrome (588868885).

The spelling of 164731424 in words is "one hundred sixty-four million, seven hundred thirty-one thousand, four hundred twenty-four".