12616345826 has 16 divisors (see below), whose sum is σ = 21714194880. Its totient is φ = 5385462000.

The previous prime is 12616345799. The next prime is 12616345849. The reversal of 12616345826 is 62854361621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1791641 + ... + 1798668.

It is an arithmetic number, because the mean of its divisors is an integer number (1357137180).

Almost surely, 2^12616345826 is an apocalyptic number.

12616345826 is a deficient number, since it is larger than the sum of its proper divisors (9097849054).

12616345826 is a wasteful number, since it uses less digits than its factorization.

12616345826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590569.

The product of its digits is 414720, while the sum is 44.

The spelling of 12616345826 in words is "twelve billion, six hundred sixteen million, three hundred forty-five thousand, eight hundred twenty-six".