164492032 has 18 divisors (see below), whose sum is σ = 328342028. Its totient is φ = 82245888.

The previous prime is 164492011. The next prime is 164492077. The reversal of 164492032 is 230294461.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 164491985 and 164492003.

It is an unprimeable number.

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, 321018 + ... + 321529.

Almost surely, 2^164492032 is an apocalyptic number.

It is an amenable number.

164492032 is a deficient number, since it is larger than the sum of its proper divisors (163849996).

164492032 is an frugal number, since it uses more digits than its factorization.

164492032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642563 (or 642549 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 164492032 is about 12825.4447096387. Note that the first 3 decimals coincide. The cubic root of 164492032 is about 547.9172269177.

It can be divided in two parts, 16449 and 2032, that added together give a palindrome (18481).

The spelling of 164492032 in words is "one hundred sixty-four million, four hundred ninety-two thousand, thirty-two".