266041355132161 has 16 divisors (see below), whose sum is σ = 304129213142400. Its totient is φ = 227973987053568.

The previous prime is 266041355132159. The next prime is 266041355132177. The reversal of 266041355132161 is 161231553140662.

It is not a de Polignac number, because 266041355132161 - 2¹ = 266041355132159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266041355142161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2433703041 + ... + 2433812353.

It is an arithmetic number, because the mean of its divisors is an integer number (19008075821400).

Almost surely, 2^{266041355132161} is an apocalyptic number.

It is an amenable number.

266041355132161 is a deficient number, since it is larger than the sum of its proper divisors (38087858010239).

266041355132161 is a wasteful number, since it uses less digits than its factorization.

266041355132161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199848.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 266041355132161 in words is "two hundred sixty-six trillion, forty-one billion, three hundred fifty-five million, one hundred thirty-two thousand, one hundred sixty-one".