164244534 has 16 divisors (see below), whose sum is σ = 328621872. Its totient is φ = 54726048.

The previous prime is 164244523. The next prime is 164244551. The reversal of 164244534 is 435442461.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164244495 and 164244504.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 18732 + ... + 26064.

It is an arithmetic number, because the mean of its divisors is an integer number (20538867).

Almost surely, 2^164244534 is an apocalyptic number.

164244534 is an abundant number, since it is smaller than the sum of its proper divisors (164377338).

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

164244534 is a wasteful number, since it uses less digits than its factorization.

164244534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071.

The product of its digits is 46080, while the sum is 33.

The square root of 164244534 is about 12815.7923672319. The cubic root of 164244534 is about 547.6422865733.

Adding to 164244534 its reverse (435442461), we get a palindrome (599686995).

The spelling of 164244534 in words is "one hundred sixty-four million, two hundred forty-four thousand, five hundred thirty-four".