164404528 has 20 divisors (see below), whose sum is σ = 318853600. Its totient is φ = 82119744.

The previous prime is 164404517. The next prime is 164404573. The reversal of 164404528 is 825404461.

It is a super-3 number, since 3×164404528³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164404493 and 164404502.

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, 13273 + ... + 22471.

It is an arithmetic number, because the mean of its divisors is an integer number (15942680).

Almost surely, 2^164404528 is an apocalyptic number.

It is an amenable number.

164404528 is a deficient number, since it is larger than the sum of its proper divisors (154449072).

164404528 is a wasteful number, since it uses less digits than its factorization.

164404528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10324 (or 10318 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 164404528 is about 12822.0329121399. The cubic root of 164404528 is about 547.8200520928.

Adding to 164404528 its reverse (825404461), we get a palindrome (989808989).

The spelling of 164404528 in words is "one hundred sixty-four million, four hundred four thousand, five hundred twenty-eight".