17116771957 has 2 divisors, whose sum is σ = 17116771958. Its totient is φ = 17116771956.

The previous prime is 17116771951. The next prime is 17116772011. The reversal of 17116771957 is 75917761171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16623976356 + 492795601 = 128934^2 + 22199^2 .

It is a cyclic number.

It is not a de Polignac number, because 17116771957 - 2¹¹ = 17116769909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17116771951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8558385978 + 8558385979.

It is an arithmetic number, because the mean of its divisors is an integer number (8558385979).

Almost surely, 2^17116771957 is an apocalyptic number.

It is an amenable number.

17116771957 is a deficient number, since it is larger than the sum of its proper divisors (1).

17116771957 is an equidigital number, since it uses as much as digits as its factorization.

17116771957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648270, while the sum is 52.

The spelling of 17116771957 in words is "seventeen billion, one hundred sixteen million, seven hundred seventy-one thousand, nine hundred fifty-seven".