12416657678 has 16 divisors (see below), whose sum is σ = 18885842880. Its totient is φ = 6121586016.

The previous prime is 12416657657. The next prime is 12416657711. The reversal of 12416657678 is 87675661421.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 67700 + ... + 171512.

It is an arithmetic number, because the mean of its divisors is an integer number (1180365180).

Almost surely, 2^12416657678 is an apocalyptic number.

12416657678 is a deficient number, since it is larger than the sum of its proper divisors (6469185202).

12416657678 is a wasteful number, since it uses less digits than its factorization.

12416657678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104651.

The product of its digits is 3386880, while the sum is 53.

The spelling of 12416657678 in words is "twelve billion, four hundred sixteen million, six hundred fifty-seven thousand, six hundred seventy-eight".