10616061609 has 20 divisors (see below), whose sum is σ = 15866161300. Its totient is φ = 7073982720.

The previous prime is 10616061607. The next prime is 10616061611. The reversal of 10616061609 is 90616061601.

10616061609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10616061607) and next prime (10616061611).

It can be written as a sum of positive squares in 2 ways, for example, as 8249725584 + 2366336025 = 90828^2 + 48645^2 .

It is not a de Polignac number, because 10616061609 - 2¹ = 10616061607 is a prime.

It is a super-2 number, since 2×10616061609² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10616061607) 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 in 19 ways as a sum of consecutive naturals, for example, 144717 + ... + 205365.

It is an arithmetic number, because the mean of its divisors is an integer number (793308065).

Almost surely, 2^10616061609 is an apocalyptic number.

It is an amenable number.

10616061609 is a deficient number, since it is larger than the sum of its proper divisors (5250099691).

10616061609 is an equidigital number, since it uses as much as digits as its factorization.

10616061609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62822 (or 62813 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 10616061609 in words is "ten billion, six hundred sixteen million, sixty-one thousand, six hundred nine".