16990210187 has 2 divisors, whose sum is σ = 16990210188. Its totient is φ = 16990210186.

The previous prime is 16990210163. The next prime is 16990210201. The reversal of 16990210187 is 78101209961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16990210187 - 2¹⁰ = 16990209163 is a prime.

It is not a weakly prime, because it can be changed into another prime (16990210087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8495105093 + 8495105094.

It is an arithmetic number, because the mean of its divisors is an integer number (8495105094).

Almost surely, 2^16990210187 is an apocalyptic number.

16990210187 is a deficient number, since it is larger than the sum of its proper divisors (1).

16990210187 is an equidigital number, since it uses as much as digits as its factorization.

16990210187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 44.

The spelling of 16990210187 in words is "sixteen billion, nine hundred ninety million, two hundred ten thousand, one hundred eighty-seven".