4066660266 has 8 divisors (see below), whose sum is σ = 8133320544. Its totient is φ = 1355553420.

The previous prime is 4066660249. The next prime is 4066660271. The reversal of 4066660266 is 6620666604.

It is a happy number.

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

4066660266 is an admirable 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 in 3 ways as a sum of consecutive naturals, for example, 338888350 + ... + 338888361.

It is an arithmetic number, because the mean of its divisors is an integer number (1016665068).

Almost surely, 2^4066660266 is an apocalyptic number.

4066660266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4066660266 is a wasteful number, since it uses less digits than its factorization.

4066660266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677776716.

The product of its (nonzero) digits is 373248, while the sum is 42.

The square root of 4066660266 is about 63770.3713804460. The cubic root of 4066660266 is about 1596.1705640854.

The spelling of 4066660266 in words is "four billion, sixty-six million, six hundred sixty thousand, two hundred sixty-six".