266730550723 has 12 divisors (see below), whose sum is σ = 334145965440. Its totient is φ = 211039556112.

The previous prime is 266730550721. The next prime is 266730550729. The reversal of 266730550723 is 327055037662.

266730550723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 266730550723 - 2¹ = 266730550721 is a prime.

It is a super-2 number, since 2×266730550723² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266730550721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209364003 + ... + 209365276.

It is an arithmetic number, because the mean of its divisors is an integer number (27845497120).

Almost surely, 2^266730550723 is an apocalyptic number.

266730550723 is a deficient number, since it is larger than the sum of its proper divisors (67415414717).

266730550723 is a wasteful number, since it uses less digits than its factorization.

266730550723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418729306 (or 418729299 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 46.

The spelling of 266730550723 in words is "two hundred sixty-six billion, seven hundred thirty million, five hundred fifty thousand, seven hundred twenty-three".