16990210191 has 32 divisors (see below), whose sum is σ = 24262318080. Its totient is φ = 10544882400.

The previous prime is 16990210187. The next prime is 16990210201. The reversal of 16990210191 is 19101209961.

16990210191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16990210191 - 2² = 16990210187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16990210121) 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 in 31 ways as a sum of consecutive naturals, for example, 758056 + ... + 780146.

It is an arithmetic number, because the mean of its divisors is an integer number (758197440).

Almost surely, 2^16990210191 is an apocalyptic number.

16990210191 is a deficient number, since it is larger than the sum of its proper divisors (7272107889).

16990210191 is a wasteful number, since it uses less digits than its factorization.

16990210191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22347.

The product of its (nonzero) digits is 8748, while the sum is 39.

The spelling of 16990210191 in words is "sixteen billion, nine hundred ninety million, two hundred ten thousand, one hundred ninety-one".