164427853 has 6 divisors (see below), whose sum is σ = 164996394. Its totient is φ = 163861056.

The previous prime is 164427839. The next prime is 164427871. The reversal of 164427853 is 358724461.

It can be written as a sum of positive squares in 3 ways, for example, as 3087049 + 161340804 = 1757^2 + 12702^2 .

It is a de Polignac number, because none of the positive numbers 2^k-164427853 is a prime.

It is a super-3 number, since 3×164427853³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164427803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187051 + ... + 187927.

It is an arithmetic number, because the mean of its divisors is an integer number (27499399).

Almost surely, 2^164427853 is an apocalyptic number.

It is an amenable number.

164427853 is a deficient number, since it is larger than the sum of its proper divisors (568541).

164427853 is an frugal number, since it uses more digits than its factorization.

164427853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743 (or 1310 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 164427853 is about 12822.9424470361. The cubic root of 164427853 is about 547.8459583105.

The spelling of 164427853 in words is "one hundred sixty-four million, four hundred twenty-seven thousand, eight hundred fifty-three".