266464490243 has 8 divisors (see below), whose sum is σ = 322444425312. Its totient is φ = 214962950016.

The previous prime is 266464490161. The next prime is 266464490317. The reversal of 266464490243 is 342094464662.

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 266464490243 - 2⁸ = 266464489987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266464490191 and 266464490200.

It is not an unprimeable number, because it can be changed into a prime (266464490543) 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, 1119598580 + ... + 1119598817.

It is an arithmetic number, because the mean of its divisors is an integer number (40305553164).

Almost surely, 2^266464490243 is an apocalyptic number.

266464490243 is a deficient number, since it is larger than the sum of its proper divisors (55979935069).

266464490243 is a wasteful number, since it uses less digits than its factorization.

266464490243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239197421.

The product of its (nonzero) digits is 5971968, while the sum is 50.

The spelling of 266464490243 in words is "two hundred sixty-six billion, four hundred sixty-four million, four hundred ninety thousand, two hundred forty-three".