16224645377 has 2 divisors, whose sum is σ = 16224645378. Its totient is φ = 16224645376.

The previous prime is 16224645331. The next prime is 16224645397. The reversal of 16224645377 is 77354642261.

It is a Cunningham number, because it is equal to 127376²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16224645376 + 1 = 127376^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 16224645377 - 2⁸ = 16224645121 is a prime.

It is not a weakly prime, because it can be changed into another prime (16224645397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8112322688 + 8112322689.

It is an arithmetic number, because the mean of its divisors is an integer number (8112322689).

Almost surely, 2^16224645377 is an apocalyptic number.

It is an amenable number.

16224645377 is a deficient number, since it is larger than the sum of its proper divisors (1).

16224645377 is an equidigital number, since it uses as much as digits as its factorization.

16224645377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 47.

The spelling of 16224645377 in words is "sixteen billion, two hundred twenty-four million, six hundred forty-five thousand, three hundred seventy-seven".