16066919237 has 2 divisors, whose sum is σ = 16066919238. Its totient is φ = 16066919236.

The previous prime is 16066919203. The next prime is 16066919243. The reversal of 16066919237 is 73291966061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15917859556 + 149059681 = 126166^2 + 12209^2 .

It is a cyclic number.

It is not a de Polignac number, because 16066919237 - 2⁶ = 16066919173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16066919437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8033459618 + 8033459619.

It is an arithmetic number, because the mean of its divisors is an integer number (8033459619).

Almost surely, 2^16066919237 is an apocalyptic number.

It is an amenable number.

16066919237 is a deficient number, since it is larger than the sum of its proper divisors (1).

16066919237 is an equidigital number, since it uses as much as digits as its factorization.

16066919237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 16066919237 in words is "sixteen billion, sixty-six million, nine hundred nineteen thousand, two hundred thirty-seven".