164364642063 has 6 divisors (see below), whose sum is σ = 237415594104. Its totient is φ = 109576428036.

The previous prime is 164364642061. The next prime is 164364642077. The reversal of 164364642063 is 360246463461.

164364642063 is a `hidden beast` number, since 1 + 6 + 436 + 4 + 6 + 4 + 206 + 3 = 666.

164364642063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164364642063 - 2¹ = 164364642061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164364642061) 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 5 ways as a sum of consecutive naturals, for example, 9131368995 + ... + 9131369012.

It is an arithmetic number, because the mean of its divisors is an integer number (39569265684).

Almost surely, 2^164364642063 is an apocalyptic number.

164364642063 is a deficient number, since it is larger than the sum of its proper divisors (73050952041).

164364642063 is a wasteful number, since it uses less digits than its factorization.

164364642063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18262738013 (or 18262738010 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 164364642063 in words is "one hundred sixty-four billion, three hundred sixty-four million, six hundred forty-two thousand, sixty-three".