266962868 has 6 divisors (see below), whose sum is σ = 467185026. Its totient is φ = 133481432.

The previous prime is 266962841. The next prime is 266962879. The reversal of 266962868 is 868269662.

It can be written as a sum of positive squares in only one way, i.e., 142372624 + 124590244 = 11932^2 + 11162^2 .

It is a congruent number.

It is an unprimeable number.

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, 33370355 + ... + 33370362.

It is an arithmetic number, because the mean of its divisors is an integer number (77864171).

Almost surely, 2^266962868 is an apocalyptic number.

It is an amenable number.

266962868 is a deficient number, since it is larger than the sum of its proper divisors (200222158).

266962868 is a wasteful number, since it uses less digits than its factorization.

266962868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66740721 (or 66740719 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 53.

The square root of 266962868 is about 16338.9983781136. The cubic root of 266962868 is about 643.8978175905.

Adding to 266962868 its sum of digits (53), we get a square (266962921 = 16339²).

The spelling of 266962868 in words is "two hundred sixty-six million, nine hundred sixty-two thousand, eight hundred sixty-eight".