266602066 has 8 divisors (see below), whose sum is σ = 400815360. Its totient is φ = 132996948.

The previous prime is 266602051. The next prime is 266602067. The reversal of 266602066 is 660206662.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (266602067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150946 + ... + 152701.

It is an arithmetic number, because the mean of its divisors is an integer number (50101920).

Almost surely, 2^266602066 is an apocalyptic number.

266602066 is a deficient number, since it is larger than the sum of its proper divisors (134213294).

266602066 is a wasteful number, since it uses less digits than its factorization.

266602066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304088.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 266602066 is about 16327.9535153674. The cubic root of 266602066 is about 643.6076094912.

The spelling of 266602066 in words is "two hundred sixty-six million, six hundred two thousand, sixty-six".