16206220243 has 2 divisors, whose sum is σ = 16206220244. Its totient is φ = 16206220242.

The previous prime is 16206220213. The next prime is 16206220301. The reversal of 16206220243 is 34202260261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16206220243 - 2⁵ = 16206220211 is a prime.

It is not a weakly prime, because it can be changed into another prime (16206220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8103110121 + 8103110122.

It is an arithmetic number, because the mean of its divisors is an integer number (8103110122).

Almost surely, 2^16206220243 is an apocalyptic number.

16206220243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16206220243 is an equidigital number, since it uses as much as digits as its factorization.

16206220243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 16206220243 in words is "sixteen billion, two hundred six million, two hundred twenty thousand, two hundred forty-three".