104207648666 has 16 divisors (see below), whose sum is σ = 172086029280. Its totient is φ = 46932551280.

The previous prime is 104207648617. The next prime is 104207648689. The reversal of 104207648666 is 666846702401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21725636 + ... + 21730431.

It is an arithmetic number, because the mean of its divisors is an integer number (10755376830).

Almost surely, 2^104207648666 is an apocalyptic number.

104207648666 is a deficient number, since it is larger than the sum of its proper divisors (67878380614).

104207648666 is a wasteful number, since it uses less digits than its factorization.

104207648666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43456189.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 104207648666 in words is "one hundred four billion, two hundred seven million, six hundred forty-eight thousand, six hundred sixty-six".