16871183992757 has 2 divisors, whose sum is σ = 16871183992758. Its totient is φ = 16871183992756.

The previous prime is 16871183992673. The next prime is 16871183992763. The reversal of 16871183992757 is 75729938117861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16870069367761 + 1114624996 = 4107319^2 + 33386^2 .

It is a cyclic number.

It is not a de Polignac number, because 16871183992757 - 2²⁰ = 16871182944181 is a prime.

It is a super-2 number, since 2×16871183992757² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16871183992657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8435591996378 + 8435591996379.

It is an arithmetic number, because the mean of its divisors is an integer number (8435591996379).

Almost surely, 2^{16871183992757} is an apocalyptic number.

It is an amenable number.

16871183992757 is a deficient number, since it is larger than the sum of its proper divisors (1).

16871183992757 is an equidigital number, since it uses as much as digits as its factorization.

16871183992757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320060160, while the sum is 74.

The spelling of 16871183992757 in words is "sixteen trillion, eight hundred seventy-one billion, one hundred eighty-three million, nine hundred ninety-two thousand, seven hundred fifty-seven".