16463665061 has 2 divisors, whose sum is σ = 16463665062. Its totient is φ = 16463665060.

The previous prime is 16463665013. The next prime is 16463665067. The reversal of 16463665061 is 16056636461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15158288161 + 1305376900 = 123119^2 + 36130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16463665061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16463665067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8231832530 + 8231832531.

It is an arithmetic number, because the mean of its divisors is an integer number (8231832531).

Almost surely, 2^16463665061 is an apocalyptic number.

It is an amenable number.

16463665061 is a deficient number, since it is larger than the sum of its proper divisors (1).

16463665061 is an equidigital number, since it uses as much as digits as its factorization.

16463665061 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 44.

The spelling of 16463665061 in words is "sixteen billion, four hundred sixty-three million, six hundred sixty-five thousand, sixty-one".