266672293907 has 2 divisors, whose sum is σ = 266672293908. Its totient is φ = 266672293906.

The previous prime is 266672293813. The next prime is 266672293957. The reversal of 266672293907 is 709392276662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266672293907 - 2¹⁰ = 266672292883 is a prime.

It is a super-2 number, since 2×266672293907² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (266672293957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133336146953 + 133336146954.

It is an arithmetic number, because the mean of its divisors is an integer number (133336146954).

Almost surely, 2^266672293907 is an apocalyptic number.

266672293907 is a deficient number, since it is larger than the sum of its proper divisors (1).

266672293907 is an equidigital number, since it uses as much as digits as its factorization.

266672293907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20575296, while the sum is 59.

The spelling of 266672293907 in words is "two hundred sixty-six billion, six hundred seventy-two million, two hundred ninety-three thousand, nine hundred seven".