116660429 has 2 divisors, whose sum is σ = 116660430. Its totient is φ = 116660428.

The previous prime is 116660407. The next prime is 116660431. The reversal of 116660429 is 924066611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110040100 + 6620329 = 10490^2 + 2573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116660429 is a prime.

Together with 116660431, 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 (116660449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58330214 + 58330215.

It is an arithmetic number, because the mean of its divisors is an integer number (58330215).

Almost surely, 2^116660429 is an apocalyptic number.

It is an amenable number.

116660429 is a deficient number, since it is larger than the sum of its proper divisors (1).

116660429 is an equidigital number, since it uses as much as digits as its factorization.

116660429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 116660429 is about 10800.9457456280. The cubic root of 116660429 is about 488.6236944441.

The spelling of 116660429 in words is "one hundred sixteen million, six hundred sixty thousand, four hundred twenty-nine".