266868752 has 10 divisors (see below), whose sum is σ = 517058238. Its totient is φ = 133434368.

The previous prime is 266868731. The next prime is 266868761. The reversal of 266868752 is 257868662.

It can be written as a sum of positive squares in only one way, i.e., 259983376 + 6885376 = 16124^2 + 2624^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266868752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8339633 + ... + 8339664.

Almost surely, 2^266868752 is an apocalyptic number.

It is an amenable number.

266868752 is a deficient number, since it is larger than the sum of its proper divisors (250189486).

266868752 is a wasteful number, since it uses less digits than its factorization.

266868752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16679305 (or 16679299 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 266868752 is about 16336.1180211212. The cubic root of 266868752 is about 643.8221413858.

The spelling of 266868752 in words is "two hundred sixty-six million, eight hundred sixty-eight thousand, seven hundred fifty-two".