2216656360416 has 48 divisors (see below), whose sum is σ = 5820029594064. Its totient is φ = 738719529984.

The previous prime is 2216656360349. The next prime is 2216656360417. The reversal of 2216656360416 is 6140636566122.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216656360417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162455 + ... + 3018198.

It is an arithmetic number, because the mean of its divisors is an integer number (121250616543).

Almost surely, 2^{2216656360416} is an apocalyptic number.

It is an amenable number.

2216656360416 is an abundant number, since it is smaller than the sum of its proper divisors (3603373233648).

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

2216656360416 is a wasteful number, since it uses less digits than its factorization.

2216656360416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185123 (or 5185115 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 2216656360416 in words is "two trillion, two hundred sixteen billion, six hundred fifty-six million, three hundred sixty thousand, four hundred sixteen".