164240266040326 has 16 divisors (see below), whose sum is σ = 289164329400096. Its totient is φ = 68486288541696.

The previous prime is 164240266040299. The next prime is 164240266040327. The reversal of 164240266040326 is 623040662042461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164240266040327) 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 7 ways as a sum of consecutive naturals, for example, 158533074811 + ... + 158533075846.

It is an arithmetic number, because the mean of its divisors is an integer number (18072770587506).

Almost surely, 2^{164240266040326} is an apocalyptic number.

164240266040326 is a deficient number, since it is larger than the sum of its proper divisors (124924063359770).

164240266040326 is a wasteful number, since it uses less digits than its factorization.

164240266040326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317066150703.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 164240266040326 in words is "one hundred sixty-four trillion, two hundred forty billion, two hundred sixty-six million, forty thousand, three hundred twenty-six".