164828137 has 4 divisors (see below), whose sum is σ = 165414996. Its totient is φ = 164241280.

The previous prime is 164828129. The next prime is 164828171. The reversal of 164828137 is 731828461.

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 50851161 + 113976976 = 7131^2 + 10676^2 .

It is a cyclic number.

It is not a de Polignac number, because 164828137 - 2³ = 164828129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164828137.

It is not an unprimeable number, because it can be changed into a prime (164823137) 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, 293008 + ... + 293569.

It is an arithmetic number, because the mean of its divisors is an integer number (41353749).

Almost surely, 2^164828137 is an apocalyptic number.

It is an amenable number.

164828137 is a deficient number, since it is larger than the sum of its proper divisors (586859).

164828137 is an equidigital number, since it uses as much as digits as its factorization.

164828137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586858.

The product of its digits is 64512, while the sum is 40.

The square root of 164828137 is about 12838.5410775524. The cubic root of 164828137 is about 548.2901577121.

The spelling of 164828137 in words is "one hundred sixty-four million, eight hundred twenty-eight thousand, one hundred thirty-seven".