16066420453 has 2 divisors, whose sum is σ = 16066420454. Its totient is φ = 16066420452.

The previous prime is 16066420421. The next prime is 16066420547. The reversal of 16066420453 is 35402466061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15659268769 + 407151684 = 125137^2 + 20178^2 .

It is a cyclic number.

It is not a de Polignac number, because 16066420453 - 2⁵ = 16066420421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16066420553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8033210226 + 8033210227.

It is an arithmetic number, because the mean of its divisors is an integer number (8033210227).

Almost surely, 2^16066420453 is an apocalyptic number.

It is an amenable number.

16066420453 is a deficient number, since it is larger than the sum of its proper divisors (1).

16066420453 is an equidigital number, since it uses as much as digits as its factorization.

16066420453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 16066420453 in words is "sixteen billion, sixty-six million, four hundred twenty thousand, four hundred fifty-three".