266340635 has 16 divisors (see below), whose sum is σ = 355246560. Its totient is φ = 190045440.

The previous prime is 266340589. The next prime is 266340637. The reversal of 266340635 is 536043662.

It is not a de Polignac number, because 266340635 - 2¹⁰ = 266339611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266340595 and 266340604.

It is not an unprimeable number, because it can be changed into a prime (266340637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42770 + ... + 48599.

It is an arithmetic number, because the mean of its divisors is an integer number (22202910).

Almost surely, 2^266340635 is an apocalyptic number.

266340635 is a deficient number, since it is larger than the sum of its proper divisors (88905925).

266340635 is a wasteful number, since it uses less digits than its factorization.

266340635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91438.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 266340635 is about 16319.9459251555. The cubic root of 266340635 is about 643.3971659989.

The spelling of 266340635 in words is "two hundred sixty-six million, three hundred forty thousand, six hundred thirty-five".