266151841 has 8 divisors (see below), whose sum is σ = 273576744. Its totient is φ = 258739200.

The previous prime is 266151817. The next prime is 266151857. The reversal of 266151841 is 148151662.

It can be written as a sum of positive squares in 4 ways, for example, as 253478241 + 12673600 = 15921^2 + 3560^2 .

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 266151841 - 2⁷ = 266151713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 266151797 and 266151806.

It is not an unprimeable number, because it can be changed into a prime (266101841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56991 + ... + 61483.

It is an arithmetic number, because the mean of its divisors is an integer number (34197093).

Almost surely, 2^266151841 is an apocalyptic number.

It is an amenable number.

266151841 is a deficient number, since it is larger than the sum of its proper divisors (7424903).

266151841 is a wasteful number, since it uses less digits than its factorization.

266151841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131.

The product of its digits is 11520, while the sum is 34.

The square root of 266151841 is about 16314.1607507098. The cubic root of 266151841 is about 643.2451072931.

The spelling of 266151841 in words is "two hundred sixty-six million, one hundred fifty-one thousand, eight hundred forty-one".