1389014718666 has 32 divisors (see below), whose sum is σ = 2802169296000. Its totient is φ = 458993808960.

The previous prime is 1389014718643. The next prime is 1389014718697. The reversal of 1389014718666 is 6668174109831.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071190 + ... + 1981281.

It is an arithmetic number, because the mean of its divisors is an integer number (87567790500).

Almost surely, 2^{1389014718666} is an apocalyptic number.

1389014718666 is an abundant number, since it is smaller than the sum of its proper divisors (1413154577334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1389014718666 is a wasteful number, since it uses less digits than its factorization.

1389014718666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053134.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 1389014718666 in words is "one trillion, three hundred eighty-nine billion, fourteen million, seven hundred eighteen thousand, six hundred sixty-six".