8008126666 has 8 divisors (see below), whose sum is σ = 12014908164. Its totient is φ = 4003157280.

The previous prime is 8008126661. The next prime is 8008126667. The reversal of 8008126666 is 6666218008.

It can be written as a sum of positive squares in 2 ways, for example, as 7937919025 + 70207641 = 89095^2 + 8379^2 .

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 (8008126661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441925 + ... + 459688.

Almost surely, 2^8008126666 is an apocalyptic number.

8008126666 is a deficient number, since it is larger than the sum of its proper divisors (4006781498).

8008126666 is a wasteful number, since it uses less digits than its factorization.

8008126666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906056.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 8008126666 is about 89488.1370126789. The cubic root of 8008126666 is about 2000.6769929811.

The spelling of 8008126666 in words is "eight billion, eight million, one hundred twenty-six thousand, six hundred sixty-six".