266126465 has 16 divisors (see below), whose sum is σ = 352304640. Its totient is φ = 191368320.

The previous prime is 266126453. The next prime is 266126467. The reversal of 266126465 is 564621662.

266126465 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 266126465 - 2¹⁰ = 266125441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266126467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22289 + ... + 32078.

It is an arithmetic number, because the mean of its divisors is an integer number (22019040).

Almost surely, 2^266126465 is an apocalyptic number.

It is an amenable number.

266126465 is a deficient number, since it is larger than the sum of its proper divisors (86178175).

266126465 is a wasteful number, since it uses less digits than its factorization.

266126465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54472.

The product of its digits is 103680, while the sum is 38.

The square root of 266126465 is about 16313.3830029213. The cubic root of 266126465 is about 643.2246634409.

The spelling of 266126465 in words is "two hundred sixty-six million, one hundred twenty-six thousand, four hundred sixty-five".