164594432 has 18 divisors (see below), whose sum is σ = 328546428. Its totient is φ = 82297088.

The previous prime is 164594393. The next prime is 164594471. The reversal of 164594432 is 234495461.

It is an interprime number because it is at equal distance from previous prime (164594393) and next prime (164594471).

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 as a sum of consecutive naturals, namely, 321218 + ... + 321729.

Almost surely, 2^164594432 is an apocalyptic number.

It is an amenable number.

164594432 is a deficient number, since it is larger than the sum of its proper divisors (163951996).

164594432 is an frugal number, since it uses more digits than its factorization.

164594432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642963 (or 642949 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 164594432 is about 12829.4361528479. The cubic root of 164594432 is about 548.0309002769.

The spelling of 164594432 in words is "one hundred sixty-four million, five hundred ninety-four thousand, four hundred thirty-two".