266041540023161 has 16 divisors (see below), whose sum is σ = 304400126787840. Its totient is φ = 227771157304320.

The previous prime is 266041540023143. The next prime is 266041540023169. The reversal of 266041540023161 is 161320045140662.

It is not a de Polignac number, because 266041540023161 - 2⁴² = 261643493512057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266041540023169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76603820 + ... + 80001426.

It is an arithmetic number, because the mean of its divisors is an integer number (19025007924240).

Almost surely, 2^{266041540023161} is an apocalyptic number.

It is an amenable number.

266041540023161 is a deficient number, since it is larger than the sum of its proper divisors (38358586764679).

266041540023161 is a wasteful number, since it uses less digits than its factorization.

266041540023161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410584.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 266041540023161 in words is "two hundred sixty-six trillion, forty-one billion, five hundred forty million, twenty-three thousand, one hundred sixty-one".