266041045164521 has 8 divisors (see below), whose sum is σ = 290417157182304. Its totient is φ = 241696693556320.

The previous prime is 266041045164457. The next prime is 266041045164539. The reversal of 266041045164521 is 125461540140662.

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 266041045164521 - 2⁶ = 266041045164457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266041045164551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7940084876 + ... + 7940118381.

It is an arithmetic number, because the mean of its divisors is an integer number (36302144647788).

Almost surely, 2^{266041045164521} is an apocalyptic number.

It is an amenable number.

266041045164521 is a deficient number, since it is larger than the sum of its proper divisors (24376112017783).

266041045164521 is a wasteful number, since it uses less digits than its factorization.

266041045164521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15880204791.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 266041045164521 in words is "two hundred sixty-six trillion, forty-one billion, forty-five million, one hundred sixty-four thousand, five hundred twenty-one".