164326544533 has 8 divisors (see below), whose sum is σ = 171861782400. Its totient is φ = 156823857168.

The previous prime is 164326544527. The next prime is 164326544539. The reversal of 164326544533 is 335445623461.

It is an interprime number because it is at equal distance from previous prime (164326544527) and next prime (164326544539).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164326544533 - 2³⁷ = 26887591061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164326544539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8127298 + ... + 8147491.

It is an arithmetic number, because the mean of its divisors is an integer number (21482722800).

Almost surely, 2^164326544533 is an apocalyptic number.

It is an amenable number.

164326544533 is a deficient number, since it is larger than the sum of its proper divisors (7535237867).

164326544533 is a wasteful number, since it uses less digits than its factorization.

164326544533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16275251.

The product of its digits is 3110400, while the sum is 46.

The spelling of 164326544533 in words is "one hundred sixty-four billion, three hundred twenty-six million, five hundred forty-four thousand, five hundred thirty-three".