116660501 has 2 divisors, whose sum is σ = 116660502. Its totient is φ = 116660500.

The previous prime is 116660491. The next prime is 116660503. The reversal of 116660501 is 105066611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107952100 + 8708401 = 10390^2 + 2951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116660501 is a prime.

Together with 116660503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116660503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58330250 + 58330251.

It is an arithmetic number, because the mean of its divisors is an integer number (58330251).

Almost surely, 2^116660501 is an apocalyptic number.

It is an amenable number.

116660501 is a deficient number, since it is larger than the sum of its proper divisors (1).

116660501 is an equidigital number, since it uses as much as digits as its factorization.

116660501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 116660501 is about 10800.9490786690. The cubic root of 116660501 is about 488.6237949663.

The spelling of 116660501 in words is "one hundred sixteen million, six hundred sixty thousand, five hundred one".