164723568 has 40 divisors (see below), whose sum is σ = 435920016. Its totient is φ = 53568000.

The previous prime is 164723563. The next prime is 164723569. The reversal of 164723568 is 865327461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164723561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39883 + ... + 43818.

Almost surely, 2^164723568 is an apocalyptic number.

It is an amenable number.

164723568 is an abundant number, since it is smaller than the sum of its proper divisors (271196448).

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

164723568 is a wasteful number, since it uses less digits than its factorization.

164723568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83753 (or 83747 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 164723568 is about 12834.4679671578. The cubic root of 164723568 is about 548.1741858412.

The spelling of 164723568 in words is "one hundred sixty-four million, seven hundred twenty-three thousand, five hundred sixty-eight".