164068764442 has 12 divisors (see below), whose sum is σ = 270510070698. Its totient is φ = 74576711000.

The previous prime is 164068764427. The next prime is 164068764469. The reversal of 164068764442 is 244467860461.

164068764442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 132817242481 + 31251521961 = 364441^2 + 176781^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164068764442.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 338984809 + ... + 338985292.

Almost surely, 2^164068764442 is an apocalyptic number.

164068764442 is a deficient number, since it is larger than the sum of its proper divisors (106441306256).

164068764442 is a wasteful number, since it uses less digits than its factorization.

164068764442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677970125 (or 677970114 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 52.

The spelling of 164068764442 in words is "one hundred sixty-four billion, sixty-eight million, seven hundred sixty-four thousand, four hundred forty-two".