16705127017 has 2 divisors, whose sum is σ = 16705127018. Its totient is φ = 16705127016.

The previous prime is 16705126979. The next prime is 16705127063. The reversal of 16705127017 is 71072150761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13083013161 + 3622113856 = 114381^2 + 60184^2 .

It is a cyclic number.

It is not a de Polignac number, because 16705127017 - 2¹⁵ = 16705094249 is a prime.

It is a super-2 number, since 2×16705127017² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16705122017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8352563508 + 8352563509.

It is an arithmetic number, because the mean of its divisors is an integer number (8352563509).

Almost surely, 2^16705127017 is an apocalyptic number.

It is an amenable number.

16705127017 is a deficient number, since it is larger than the sum of its proper divisors (1).

16705127017 is an equidigital number, since it uses as much as digits as its factorization.

16705127017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 37.

Adding to 16705127017 its reverse (71072150761), we get a palindrome (87777277778).

The spelling of 16705127017 in words is "sixteen billion, seven hundred five million, one hundred twenty-seven thousand, seventeen".