16066342447 has 2 divisors, whose sum is σ = 16066342448. Its totient is φ = 16066342446.

The previous prime is 16066342393. The next prime is 16066342471. The reversal of 16066342447 is 74424366061.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16066342447 - 2⁷ = 16066342319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16066342477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8033171223 + 8033171224.

It is an arithmetic number, because the mean of its divisors is an integer number (8033171224).

Almost surely, 2^16066342447 is an apocalyptic number.

16066342447 is a deficient number, since it is larger than the sum of its proper divisors (1).

16066342447 is an equidigital number, since it uses as much as digits as its factorization.

16066342447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 16066342447 in words is "sixteen billion, sixty-six million, three hundred forty-two thousand, four hundred forty-seven".