266030143265 has 8 divisors (see below), whose sum is σ = 319241520168. Its totient is φ = 212820549120.

The previous prime is 266030143189. The next prime is 266030143271. The reversal of 266030143265 is 562341030662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72644803729 + 193385339536 = 269527^2 + 439756^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266030143265 - 2¹⁰ = 266030142241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91856 + ... + 735185.

It is an arithmetic number, because the mean of its divisors is an integer number (39905190021).

Almost surely, 2^266030143265 is an apocalyptic number.

It is an amenable number.

266030143265 is a deficient number, since it is larger than the sum of its proper divisors (53211376903).

266030143265 is an equidigital number, since it uses as much as digits as its factorization.

266030143265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891379.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 266030143265 in words is "two hundred sixty-six billion, thirty million, one hundred forty-three thousand, two hundred sixty-five".