266961424 has 20 divisors (see below), whose sum is σ = 526998636. Its totient is φ = 130961792.

The previous prime is 266961379. The next prime is 266961427. The reversal of 266961424 is 424169662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 162103824 + 104857600 = 12732^2 + 10240^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (266961427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156559 + ... + 158254.

Almost surely, 2^266961424 is an apocalyptic number.

It is an amenable number.

266961424 is a deficient number, since it is larger than the sum of its proper divisors (260037212).

266961424 is a wasteful number, since it uses less digits than its factorization.

266961424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314874 (or 314868 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 266961424 is about 16338.9541892987. The cubic root of 266961424 is about 643.8966566423.

The spelling of 266961424 in words is "two hundred sixty-six million, nine hundred sixty-one thousand, four hundred twenty-four".