116071649 has 2 divisors, whose sum is σ = 116071650. Its totient is φ = 116071648.

The previous prime is 116071621. The next prime is 116071661. The reversal of 116071649 is 946170611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111682624 + 4389025 = 10568^2 + 2095^2 .

It is an emirp because it is prime and its reverse (946170611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116071649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116071609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58035824 + 58035825.

It is an arithmetic number, because the mean of its divisors is an integer number (58035825).

Almost surely, 2^116071649 is an apocalyptic number.

It is an amenable number.

116071649 is a deficient number, since it is larger than the sum of its proper divisors (1).

116071649 is an equidigital number, since it uses as much as digits as its factorization.

116071649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 116071649 is about 10773.6553221272. The cubic root of 116071649 is about 487.8002869635.

The spelling of 116071649 in words is "one hundred sixteen million, seventy-one thousand, six hundred forty-nine".