666332233666 has 8 divisors (see below), whose sum is σ = 1090361836944. Its totient is φ = 302878288020.

The previous prime is 666332233639. The next prime is 666332233729.

666332233666 is nontrivially palindromic in base 10.

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

It is a zygodrome in base 10.

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, 15143914380 + ... + 15143914423.

It is an arithmetic number, because the mean of its divisors is an integer number (136295229618).

Almost surely, 2^666332233666 is an apocalyptic number.

666332233666 is a deficient number, since it is larger than the sum of its proper divisors (424029603278).

666332233666 is a wasteful number, since it uses less digits than its factorization.

666332233666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30287828816.

The product of its digits is 15116544, while the sum is 52.

It can be divided in two parts, 666332 and 233666, that added together give a palindrome (899998).

The spelling of 666332233666 in words is "six hundred sixty-six billion, three hundred thirty-two million, two hundred thirty-three thousand, six hundred sixty-six".