116571617 has 2 divisors, whose sum is σ = 116571618. Its totient is φ = 116571616.

The previous prime is 116571557. The next prime is 116571629. The reversal of 116571617 is 716175611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103205281 + 13366336 = 10159^2 + 3656^2 .

It is an emirp because it is prime and its reverse (716175611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116571617 - 2¹⁰ = 116570593 is a prime.

It is equal to p_6657407 and since 116571617 and 6657407 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (116571017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58285808 + 58285809.

It is an arithmetic number, because the mean of its divisors is an integer number (58285809).

Almost surely, 2^116571617 is an apocalyptic number.

It is an amenable number.

116571617 is a deficient number, since it is larger than the sum of its proper divisors (1).

116571617 is an equidigital number, since it uses as much as digits as its factorization.

116571617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 35.

The square root of 116571617 is about 10796.8336562161. The cubic root of 116571617 is about 488.4996687718.

The spelling of 116571617 in words is "one hundred sixteen million, five hundred seventy-one thousand, six hundred seventeen".