266640152 has 32 divisors (see below), whose sum is σ = 519220800. Its totient is φ = 128217600.

The previous prime is 266640149. The next prime is 266640163. The reversal of 266640152 is 251046662.

266640152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60752 + ... + 64992.

It is an arithmetic number, because the mean of its divisors is an integer number (16225650).

Almost surely, 2^266640152 is an apocalyptic number.

It is an amenable number.

266640152 is a deficient number, since it is larger than the sum of its proper divisors (252580648).

266640152 is a wasteful number, since it uses less digits than its factorization.

266640152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547 (or 4543 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 266640152 is about 16329.1197558227. The cubic root of 266640152 is about 643.6382560057.

The spelling of 266640152 in words is "two hundred sixty-six million, six hundred forty thousand, one hundred fifty-two".