266521216426041 has 8 divisors (see below), whose sum is σ = 358682758555104. Its totient is φ = 176020242623840.

The previous prime is 266521216426007. The next prime is 266521216426043. The reversal of 266521216426041 is 140624612125662.

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 266521216426041 - 2¹⁰ = 266521216425017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266521216426043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415142081340 + ... + 415142081981.

It is an arithmetic number, because the mean of its divisors is an integer number (44835344819388).

Almost surely, 2^{266521216426041} is an apocalyptic number.

It is an amenable number.

266521216426041 is a deficient number, since it is larger than the sum of its proper divisors (92161542129063).

266521216426041 is a wasteful number, since it uses less digits than its factorization.

266521216426041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830284163431.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 266521216426041 in words is "two hundred sixty-six trillion, five hundred twenty-one billion, two hundred sixteen million, four hundred twenty-six thousand, forty-one".