164563232 has 24 divisors (see below), whose sum is σ = 328551552. Its totient is φ = 81121600.

The previous prime is 164563219. The next prime is 164563253. The reversal of 164563232 is 232365461.

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 3 ways as a sum of consecutive naturals, for example, 33944 + ... + 38487.

It is an arithmetic number, because the mean of its divisors is an integer number (13689648).

Almost surely, 2^164563232 is an apocalyptic number.

It is an amenable number.

164563232 is a deficient number, since it is larger than the sum of its proper divisors (163988320).

164563232 is an equidigital number, since it uses as much as digits as its factorization.

164563232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72512 (or 72504 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 164563232 is about 12828.2201415473. The cubic root of 164563232 is about 547.9962704206.

The spelling of 164563232 in words is "one hundred sixty-four million, five hundred sixty-three thousand, two hundred thirty-two".