104555666 has 4 divisors (see below), whose sum is σ = 156833502. Its totient is φ = 52277832.

The previous prime is 104555629. The next prime is 104555669. The reversal of 104555666 is 666555401.

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., 104550625 + 5041 = 10225^2 + 71^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104555669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26138915 + ... + 26138918.

Almost surely, 2^104555666 is an apocalyptic number.

104555666 is a deficient number, since it is larger than the sum of its proper divisors (52277836).

104555666 is an equidigital number, since it uses as much as digits as its factorization.

104555666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52277835.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 104555666 is about 10225.2465006962. The cubic root of 104555666 is about 471.1029866921.

The spelling of 104555666 in words is "one hundred four million, five hundred fifty-five thousand, six hundred sixty-six".