16466125069 has 2 divisors, whose sum is σ = 16466125070. Its totient is φ = 16466125068.

The previous prime is 16466125057. The next prime is 16466125079. The reversal of 16466125069 is 96052166461.

16466125069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13791683844 + 2674441225 = 117438^2 + 51715^2 .

It is a cyclic number.

It is not a de Polignac number, because 16466125069 - 2⁵ = 16466125037 is a prime.

It is a super-2 number, since 2×16466125069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16466125019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8233062534 + 8233062535.

It is an arithmetic number, because the mean of its divisors is an integer number (8233062535).

Almost surely, 2^16466125069 is an apocalyptic number.

It is an amenable number.

16466125069 is a deficient number, since it is larger than the sum of its proper divisors (1).

16466125069 is an equidigital number, since it uses as much as digits as its factorization.

16466125069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 16466125069 in words is "sixteen billion, four hundred sixty-six million, one hundred twenty-five thousand, sixty-nine".