16050666217 has 2 divisors, whose sum is σ = 16050666218. Its totient is φ = 16050666216.

The previous prime is 16050666209. The next prime is 16050666223. The reversal of 16050666217 is 71266605061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15173558761 + 877107456 = 123181^2 + 29616^2 .

It is a cyclic number.

It is not a de Polignac number, because 16050666217 - 2³ = 16050666209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16050666217.

It is not a weakly prime, because it can be changed into another prime (16050666517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8025333108 + 8025333109.

It is an arithmetic number, because the mean of its divisors is an integer number (8025333109).

Almost surely, 2^16050666217 is an apocalyptic number.

It is an amenable number.

16050666217 is a deficient number, since it is larger than the sum of its proper divisors (1).

16050666217 is an equidigital number, since it uses as much as digits as its factorization.

16050666217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 16050666217 in words is "sixteen billion, fifty million, six hundred sixty-six thousand, two hundred seventeen".