16143173966996 has 12 divisors (see below), whose sum is σ = 29014082940948. Its totient is φ = 7853435983872.

The previous prime is 16143173966989. The next prime is 16143173967049. The reversal of 16143173966996 is 69966937134161.

It can be written as a sum of positive squares in 2 ways, for example, as 14953023883396 + 1190150083600 = 3866914^2 + 1090940^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54537749741 + ... + 54537750036.

It is an arithmetic number, because the mean of its divisors is an integer number (2417840245079).

Almost surely, 2^{16143173966996} is an apocalyptic number.

It is an amenable number.

16143173966996 is a deficient number, since it is larger than the sum of its proper divisors (12870908973952).

16143173966996 is a wasteful number, since it uses less digits than its factorization.

16143173966996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109075499818 (or 109075499816 counting only the distinct ones).

The product of its digits is 238085568, while the sum is 71.

The spelling of 16143173966996 in words is "sixteen trillion, one hundred forty-three billion, one hundred seventy-three million, nine hundred sixty-six thousand, nine hundred ninety-six".