16066843097 has 2 divisors, whose sum is σ = 16066843098. Its totient is φ = 16066843096.

The previous prime is 16066843087. The next prime is 16066843127. The reversal of 16066843097 is 79034866061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15967860496 + 98982601 = 126364^2 + 9949^2 .

It is a cyclic number.

It is not a de Polignac number, because 16066843097 - 2⁴ = 16066843081 is a prime.

It is not a weakly prime, because it can be changed into another prime (16066843087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8033421548 + 8033421549.

It is an arithmetic number, because the mean of its divisors is an integer number (8033421549).

Almost surely, 2^16066843097 is an apocalyptic number.

It is an amenable number.

16066843097 is a deficient number, since it is larger than the sum of its proper divisors (1).

16066843097 is an equidigital number, since it uses as much as digits as its factorization.

16066843097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 16066843097 in words is "sixteen billion, sixty-six million, eight hundred forty-three thousand, ninety-seven".