266755325761 has 8 divisors (see below), whose sum is σ = 282371316480. Its totient is φ = 251567170512.

The previous prime is 266755325731. The next prime is 266755325821. The reversal of 266755325761 is 167523557662.

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 266755325761 - 2⁷ = 266755325633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266755325731) 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, 106957585 + ... + 106960078.

It is an arithmetic number, because the mean of its divisors is an integer number (35296414560).

Almost surely, 2^266755325761 is an apocalyptic number.

It is an amenable number.

266755325761 is a deficient number, since it is larger than the sum of its proper divisors (15615990719).

266755325761 is a wasteful number, since it uses less digits than its factorization.

266755325761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213917735.

The product of its digits is 15876000, while the sum is 55.

The spelling of 266755325761 in words is "two hundred sixty-six billion, seven hundred fifty-five million, three hundred twenty-five thousand, seven hundred sixty-one".