16260245569 has 2 divisors, whose sum is σ = 16260245570. Its totient is φ = 16260245568.

The previous prime is 16260245549. The next prime is 16260245681. The reversal of 16260245569 is 96554206261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15541362225 + 718883344 = 124665^2 + 26812^2 .

It is a cyclic number.

It is not a de Polignac number, because 16260245569 - 2¹³ = 16260237377 is a prime.

It is a super-2 number, since 2×16260245569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16260245539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8130122784 + 8130122785.

It is an arithmetic number, because the mean of its divisors is an integer number (8130122785).

Almost surely, 2^16260245569 is an apocalyptic number.

It is an amenable number.

16260245569 is a deficient number, since it is larger than the sum of its proper divisors (1).

16260245569 is an equidigital number, since it uses as much as digits as its factorization.

16260245569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 16260245569 in words is "sixteen billion, two hundred sixty million, two hundred forty-five thousand, five hundred sixty-nine".