185000216699 has 2 divisors, whose sum is σ = 185000216700. Its totient is φ = 185000216698.

The previous prime is 185000216689. The next prime is 185000216719. The reversal of 185000216699 is 996612000581.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 185000216699 - 2²⁸ = 184731781243 is a prime.

It is not a weakly prime, because it can be changed into another prime (185000216689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92500108349 + 92500108350.

It is an arithmetic number, because the mean of its divisors is an integer number (92500108350).

Almost surely, 2^185000216699 is an apocalyptic number.

185000216699 is a deficient number, since it is larger than the sum of its proper divisors (1).

185000216699 is an equidigital number, since it uses as much as digits as its factorization.

185000216699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 185000216699 in words is "one hundred eighty-five billion, two hundred sixteen thousand, six hundred ninety-nine".