266732223335551 has 4 divisors (see below), whose sum is σ = 266732256197992. Its totient is φ = 266732190473112.

The previous prime is 266732223335507. The next prime is 266732223335563. The reversal of 266732223335551 is 155533322237662.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 266732223335551 - 2⁷ = 266732223335423 is a prime.

It is a super-2 number, since 2×266732223335551² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 266732223335492 and 266732223335501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266732223335051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5510296 + ... + 23745058.

It is an arithmetic number, because the mean of its divisors is an integer number (66683064049498).

Almost surely, 2^{266732223335551} is an apocalyptic number.

266732223335551 is a deficient number, since it is larger than the sum of its proper divisors (32862441).

266732223335551 is a wasteful number, since it uses less digits than its factorization.

266732223335551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32862440.

The product of its digits is 40824000, while the sum is 55.

The spelling of 266732223335551 in words is "two hundred sixty-six trillion, seven hundred thirty-two billion, two hundred twenty-three million, three hundred thirty-five thousand, five hundred fifty-one".