4666643266 has 8 divisors (see below), whose sum is σ = 7078616460. Its totient is φ = 2307104448.

The previous prime is 4666643227. The next prime is 4666643279. The reversal of 4666643266 is 6623466664.

It can be written as a sum of positive squares in 2 ways, for example, as 3495292641 + 1171350625 = 59121^2 + 34225^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13108371 + ... + 13108726.

Almost surely, 2^4666643266 is an apocalyptic number.

4666643266 is a deficient number, since it is larger than the sum of its proper divisors (2411973194).

4666643266 is a wasteful number, since it uses less digits than its factorization.

4666643266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26217188.

The product of its digits is 4478976, while the sum is 49.

The square root of 4666643266 is about 68312.8338308403. The cubic root of 4666643266 is about 1671.0965184475.

The spelling of 4666643266 in words is "four billion, six hundred sixty-six million, six hundred forty-three thousand, two hundred sixty-six".