164728068 has 24 divisors (see below), whose sum is σ = 385801920. Its totient is φ = 54704160.

The previous prime is 164728027. The next prime is 164728073. The reversal of 164728068 is 860827461.

164728068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22288 + ... + 28743.

It is an arithmetic number, because the mean of its divisors is an integer number (16075080).

Almost surely, 2^164728068 is an apocalyptic number.

It is an amenable number.

164728068 is an abundant number, since it is smaller than the sum of its proper divisors (221073852).

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

164728068 is a wasteful number, since it uses less digits than its factorization.

164728068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51307 (or 51305 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 164728068 is about 12834.6432751362. The cubic root of 164728068 is about 548.1791775604.

The spelling of 164728068 in words is "one hundred sixty-four million, seven hundred twenty-eight thousand, sixty-eight".