266267064 has 64 divisors (see below), whose sum is σ = 800812800. Its totient is φ = 72071424.

The previous prime is 266267047. The next prime is 266267087. The reversal of 266267064 is 460762662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38517 + ... + 44900.

It is an arithmetic number, because the mean of its divisors is an integer number (12512700).

Almost surely, 2^266267064 is an apocalyptic number.

266267064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

266267064 is an abundant number, since it is smaller than the sum of its proper divisors (534545736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266267064 is a wasteful number, since it uses less digits than its factorization.

266267064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83452 (or 83448 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 266267064 is about 16317.6917485287. The cubic root of 266267064 is about 643.3379188973.

The spelling of 266267064 in words is "two hundred sixty-six million, two hundred sixty-seven thousand, sixty-four".