164542644064 has 24 divisors (see below), whose sum is σ = 324308598768. Its totient is φ = 82178555520.

The previous prime is 164542644043. The next prime is 164542644067. The reversal of 164542644064 is 460446245461.

164542644064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164542644067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2870127 + ... + 2926894.

It is an arithmetic number, because the mean of its divisors is an integer number (13512858282).

Almost surely, 2^164542644064 is an apocalyptic number.

It is an amenable number.

164542644064 is a deficient number, since it is larger than the sum of its proper divisors (159765954704).

164542644064 is an equidigital number, since it uses as much as digits as its factorization.

164542644064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5797918 (or 5797910 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 164542644064 in words is "one hundred sixty-four billion, five hundred forty-two million, six hundred forty-four thousand, sixty-four".