164528317 has 4 divisors (see below), whose sum is σ = 165216960. Its totient is φ = 163839676.

The previous prime is 164528297. The next prime is 164528321. The reversal of 164528317 is 713825461.

164528317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 713825461 = 17 ⋅41989733.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164528317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164528347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343963 + ... + 344440.

It is an arithmetic number, because the mean of its divisors is an integer number (41304240).

Almost surely, 2^164528317 is an apocalyptic number.

It is an amenable number.

164528317 is a deficient number, since it is larger than the sum of its proper divisors (688643).

164528317 is an equidigital number, since it uses as much as digits as its factorization.

164528317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688642.

The product of its digits is 40320, while the sum is 37.

The square root of 164528317 is about 12826.8592024704. The cubic root of 164528317 is about 547.9575119793.

The spelling of 164528317 in words is "one hundred sixty-four million, five hundred twenty-eight thousand, three hundred seventeen".