104668666 has 4 divisors (see below), whose sum is σ = 157003002. Its totient is φ = 52334332.

The previous prime is 104668637. The next prime is 104668709. The reversal of 104668666 is 666866401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99700225 + 4968441 = 9985^2 + 2229^2 .

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 as a sum of consecutive naturals, namely, 26167165 + ... + 26167168.

Almost surely, 2^104668666 is an apocalyptic number.

104668666 is a deficient number, since it is larger than the sum of its proper divisors (52334336).

104668666 is an equidigital number, since it uses as much as digits as its factorization.

104668666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52334335.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 104668666 is about 10230.7705477154. The cubic root of 104668666 is about 471.2726426371.

The spelling of 104668666 in words is "one hundred four million, six hundred sixty-eight thousand, six hundred sixty-six".