266667045 has 16 divisors (see below), whose sum is σ = 426900672. Its totient is φ = 142144640.

The previous prime is 266667043. The next prime is 266667059. The reversal of 266667045 is 540766662.

It is not a de Polignac number, because 266667045 - 2¹ = 266667043 is a prime.

It is a super-2 number, since 2×266667045² = 142222625778064050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 266666988 and 266667006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266667041) 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, 32974 + ... + 40256.

It is an arithmetic number, because the mean of its divisors is an integer number (26681292).

Almost surely, 2^266667045 is an apocalyptic number.

It is an amenable number.

266667045 is a deficient number, since it is larger than the sum of its proper divisors (160233627).

266667045 is a wasteful number, since it uses less digits than its factorization.

266667045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9732.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 266667045 is about 16329.9432025957. The cubic root of 266667045 is about 643.6598941343.

The spelling of 266667045 in words is "two hundred sixty-six million, six hundred sixty-seven thousand, forty-five".