8189666744896 has 56 divisors (see below), whose sum is σ = 20001686102720. Its totient is φ = 3239868160512.

The previous prime is 8189666744893. The next prime is 8189666744899. The reversal of 8189666744896 is 6984476669818.

It is an interprime number because it is at equal distance from previous prime (8189666744893) and next prime (8189666744899).

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (8189666744893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703090566 + ... + 703102213.

It is an arithmetic number, because the mean of its divisors is an integer number (357172966120).

Almost surely, 2^{8189666744896} is an apocalyptic number.

It is an amenable number.

8189666744896 is an abundant number, since it is smaller than the sum of its proper divisors (11812019357824).

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

8189666744896 is a wasteful number, since it uses less digits than its factorization.

8189666744896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406192811 (or 1406192801 counting only the distinct ones).

The product of its digits is 6019743744, while the sum is 82.

The spelling of 8189666744896 in words is "eight trillion, one hundred eighty-nine billion, six hundred sixty-six million, seven hundred forty-four thousand, eight hundred ninety-six".