164646443159 has 16 divisors (see below), whose sum is σ = 183485640096. Its totient is φ = 146477385600.

The previous prime is 164646442991. The next prime is 164646443167. The reversal of 164646443159 is 951344646461.

164646443159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164646443159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164646443159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164646443189) 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 15 ways as a sum of consecutive naturals, for example, 490592 + ... + 754965.

It is an arithmetic number, because the mean of its divisors is an integer number (11467852506).

Almost surely, 2^164646443159 is an apocalyptic number.

164646443159 is a deficient number, since it is larger than the sum of its proper divisors (18839196937).

164646443159 is a wasteful number, since it uses less digits than its factorization.

164646443159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245826.

The product of its digits is 7464960, while the sum is 53.

The spelling of 164646443159 in words is "one hundred sixty-four billion, six hundred forty-six million, four hundred forty-three thousand, one hundred fifty-nine".