116666863 has 2 divisors, whose sum is σ = 116666864. Its totient is φ = 116666862.

The previous prime is 116666827. The next prime is 116666867. The reversal of 116666863 is 368666611.

It is a strong prime.

It is an emirp because it is prime and its reverse (368666611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116666863 - 2²¹ = 114569711 is a prime.

It is a super-2 number, since 2×116666863² = 27222313844521538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116666867) 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, 58333431 + 58333432.

It is an arithmetic number, because the mean of its divisors is an integer number (58333432).

Almost surely, 2^116666863 is an apocalyptic number.

116666863 is a deficient number, since it is larger than the sum of its proper divisors (1).

116666863 is an equidigital number, since it uses as much as digits as its factorization.

116666863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 116666863 is about 10801.2435858099. The cubic root of 116666863 is about 488.6326770588.

The spelling of 116666863 in words is "one hundred sixteen million, six hundred sixty-six thousand, eight hundred sixty-three".