13446890716 has 24 divisors (see below), whose sum is σ = 27049246560. Its totient is φ = 5729639232.

The previous prime is 13446890671. The next prime is 13446890731. The reversal of 13446890716 is 61709864431.

It is a self number, because there is not a number n which added to its sum of digits gives 13446890716.

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, 1383151 + ... + 1392838.

It is an arithmetic number, because the mean of its divisors is an integer number (1127051940).

Almost surely, 2^13446890716 is an apocalyptic number.

It is an amenable number.

13446890716 is an abundant number, since it is smaller than the sum of its proper divisors (13602355844).

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

13446890716 is a wasteful number, since it uses less digits than its factorization.

13446890716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776173 (or 2776171 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 13446890716 in words is "thirteen billion, four hundred forty-six million, eight hundred ninety thousand, seven hundred sixteen".