266772267 has 24 divisors (see below), whose sum is σ = 405295488. Its totient is φ = 168854400.

The previous prime is 266772241. The next prime is 266772271. The reversal of 266772267 is 762277662.

It is not a de Polignac number, because 266772267 - 2¹² = 266768171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266772227) 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 23 ways as a sum of consecutive naturals, for example, 5767 + ... + 23807.

It is an arithmetic number, because the mean of its divisors is an integer number (16887312).

Almost surely, 2^266772267 is an apocalyptic number.

266772267 is a deficient number, since it is larger than the sum of its proper divisors (138523221).

266772267 is a wasteful number, since it uses less digits than its factorization.

266772267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18131 (or 18128 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 266772267 is about 16333.1646351832. The cubic root of 266772267 is about 643.7445418584.

The spelling of 266772267 in words is "two hundred sixty-six million, seven hundred seventy-two thousand, two hundred sixty-seven".