164727005 has 4 divisors (see below), whose sum is σ = 197672412. Its totient is φ = 131781600.

The previous prime is 164726999. The next prime is 164727037. The reversal of 164727005 is 500727461.

164727005 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.

It can be written as a sum of positive squares in 2 ways, for example, as 69039481 + 95687524 = 8309^2 + 9782^2 .

It is not a de Polignac number, because 164727005 - 2²⁰ = 163678429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16472696 + ... + 16472705.

It is an arithmetic number, because the mean of its divisors is an integer number (49418103).

Almost surely, 2^164727005 is an apocalyptic number.

It is an amenable number.

164727005 is a deficient number, since it is larger than the sum of its proper divisors (32945407).

164727005 is an equidigital number, since it uses as much as digits as its factorization.

164727005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32945406.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 164727005 is about 12834.6018637120. The cubic root of 164727005 is about 548.1779984136.

The spelling of 164727005 in words is "one hundred sixty-four million, seven hundred twenty-seven thousand, five".