12616447366644 has 96 divisors (see below), whose sum is σ = 32369278233600. Its totient is φ = 3792863443200.

The previous prime is 12616447366553. The next prime is 12616447366697. The reversal of 12616447366644 is 44666374461621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59534337 + ... + 59745879.

It is an arithmetic number, because the mean of its divisors is an integer number (337179981600).

Almost surely, 2^{12616447366644} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12616447366644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16184639116800).

12616447366644 is an abundant number, since it is smaller than the sum of its proper divisors (19752830866956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12616447366644 is a wasteful number, since it uses less digits than its factorization.

12616447366644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215141 (or 215139 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 60.

The spelling of 12616447366644 in words is "twelve trillion, six hundred sixteen billion, four hundred forty-seven million, three hundred sixty-six thousand, six hundred forty-four".