164513128 has 16 divisors (see below), whose sum is σ = 332190180. Its totient is φ = 75929088.

The previous prime is 164513119. The next prime is 164513149. The reversal of 164513128 is 821315461.

It can be written as a sum of positive squares in 2 ways, for example, as 159213924 + 5299204 = 12618^2 + 2302^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164513128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790825 + ... + 791032.

Almost surely, 2^164513128 is an apocalyptic number.

It is an amenable number.

164513128 is an abundant number, since it is smaller than the sum of its proper divisors (167677052).

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

164513128 is a wasteful number, since it uses less digits than its factorization.

164513128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581876 (or 1581872 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 164513128 is about 12826.2671108940. The cubic root of 164513128 is about 547.9406492634.

Adding to 164513128 its reverse (821315461), we get a palindrome (985828589).

The spelling of 164513128 in words is "one hundred sixty-four million, five hundred thirteen thousand, one hundred twenty-eight".