12616816611 has 48 divisors (see below), whose sum is σ = 20489462784. Its totient is φ = 6741489408.

The previous prime is 12616816603. The next prime is 12616816643. The reversal of 12616816611 is 11661861621.

12616816611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12616816611 - 2³ = 12616816603 is a prime.

It is a super-2 number, since 2×12616816611² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12616816611.

It is not an unprimeable number, because it can be changed into a prime (12616816691) 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 47 ways as a sum of consecutive naturals, for example, 11438086 + ... + 11439188.

It is an arithmetic number, because the mean of its divisors is an integer number (426863808).

Almost surely, 2^12616816611 is an apocalyptic number.

12616816611 is a deficient number, since it is larger than the sum of its proper divisors (7872646173).

12616816611 is a wasteful number, since it uses less digits than its factorization.

12616816611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1309 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The spelling of 12616816611 in words is "twelve billion, six hundred sixteen million, eight hundred sixteen thousand, six hundred eleven".