116071661 has 2 divisors, whose sum is σ = 116071662. Its totient is φ = 116071660.

The previous prime is 116071649. The next prime is 116071667. The reversal of 116071661 is 166170611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67141636 + 48930025 = 8194^2 + 6995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116071661 is a prime.

It is a super-3 number, since 3×116071661³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116071667) 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, 58035830 + 58035831.

It is an arithmetic number, because the mean of its divisors is an integer number (58035831).

Almost surely, 2^116071661 is an apocalyptic number.

It is an amenable number.

116071661 is a deficient number, since it is larger than the sum of its proper divisors (1).

116071661 is an equidigital number, since it uses as much as digits as its factorization.

116071661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 116071661 is about 10773.6558790412. The cubic root of 116071661 is about 487.8003037738.

The spelling of 116071661 in words is "one hundred sixteen million, seventy-one thousand, six hundred sixty-one".