164306646064 has 40 divisors (see below), whose sum is σ = 359259840720. Its totient is φ = 72109497600.

The previous prime is 164306646043. The next prime is 164306646103. The reversal of 164306646064 is 460646603461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16090767 + ... + 16100974.

It is an arithmetic number, because the mean of its divisors is an integer number (8981496018).

Almost surely, 2^164306646064 is an apocalyptic number.

It is an amenable number.

164306646064 is an abundant number, since it is smaller than the sum of its proper divisors (194953194656).

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

164306646064 is a wasteful number, since it uses less digits than its factorization.

164306646064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32191789 (or 32191783 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 164306646064 in words is "one hundred sixty-four billion, three hundred six million, six hundred forty-six thousand, sixty-four".