164728616 has 16 divisors (see below), whose sum is σ = 332625300. Its totient is φ = 76028544.

The previous prime is 164728607. The next prime is 164728673. The reversal of 164728616 is 616827461.

It can be written as a sum of positive squares in 2 ways, for example, as 164608900 + 119716 = 12830^2 + 346^2 .

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, 791861 + ... + 792068.

Almost surely, 2^164728616 is an apocalyptic number.

It is an amenable number.

164728616 is an abundant number, since it is smaller than the sum of its proper divisors (167896684).

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

164728616 is a wasteful number, since it uses less digits than its factorization.

164728616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583948 (or 1583944 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 164728616 is about 12834.6646235887. The cubic root of 164728616 is about 548.1797854347.

The spelling of 164728616 in words is "one hundred sixty-four million, seven hundred twenty-eight thousand, six hundred sixteen".