164268568064 has 20 divisors (see below), whose sum is σ = 328216300104. Its totient is φ = 82134283776.

The previous prime is 164268568043. The next prime is 164268568103. The reversal of 164268568064 is 460865862461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160418012 + ... + 160419035.

Almost surely, 2^164268568064 is an apocalyptic number.

It is an amenable number.

164268568064 is a deficient number, since it is larger than the sum of its proper divisors (163947732040).

164268568064 is an frugal number, since it uses more digits than its factorization.

164268568064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320837065 (or 320837049 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 164268568064 in words is "one hundred sixty-four billion, two hundred sixty-eight million, five hundred sixty-eight thousand, sixty-four".