164508668 has 12 divisors (see below), whose sum is σ = 291125520. Its totient is φ = 81329952.

The previous prime is 164508667. The next prime is 164508671. The reversal of 164508668 is 866805461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164508667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230696 + ... + 231407.

It is an arithmetic number, because the mean of its divisors is an integer number (24260460).

Almost surely, 2^164508668 is an apocalyptic number.

It is an amenable number.

164508668 is a deficient number, since it is larger than the sum of its proper divisors (126616852).

164508668 is a wasteful number, since it uses less digits than its factorization.

164508668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462196 (or 462194 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 164508668 is about 12826.0932477509. The cubic root of 164508668 is about 547.9356976072.

The spelling of 164508668 in words is "one hundred sixty-four million, five hundred eight thousand, six hundred sixty-eight".