164238592 has 54 divisors (see below), whose sum is σ = 381388938. Its totient is φ = 70382592.

The previous prime is 164238577. The next prime is 164238611. The reversal of 164238592 is 295832461.

It can be written as a sum of positive squares in only one way, i.e., 160174336 + 4064256 = 12656^2 + 2016^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5998 + ... + 19090.

Almost surely, 2^164238592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164238592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190694469).

164238592 is an abundant number, since it is smaller than the sum of its proper divisors (217150346).

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

164238592 is an equidigital number, since it uses as much as digits as its factorization.

164238592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13123 (or 13102 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 164238592 is about 12815.5605417789. The cubic root of 164238592 is about 547.6356823359.

The spelling of 164238592 in words is "one hundred sixty-four million, two hundred thirty-eight thousand, five hundred ninety-two".