164242566065045 has 32 divisors (see below), whose sum is σ = 216772136824320. Its totient is φ = 118703943728640.

The previous prime is 164242566065021. The next prime is 164242566065059. The reversal of 164242566065045 is 540560665242461.

It is not a de Polignac number, because 164242566065045 - 2¹⁰ = 164242566064021 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165578366 + ... + 166567344.

It is an arithmetic number, because the mean of its divisors is an integer number (6774129275760).

Almost surely, 2^{164242566065045} is an apocalyptic number.

It is an amenable number.

164242566065045 is a deficient number, since it is larger than the sum of its proper divisors (52529570759275).

164242566065045 is a wasteful number, since it uses less digits than its factorization.

164242566065045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043405.

The product of its (nonzero) digits is 41472000, while the sum is 56.

The spelling of 164242566065045 in words is "one hundred sixty-four trillion, two hundred forty-two billion, five hundred sixty-six million, sixty-five thousand, forty-five".