2216643046512 has 40 divisors (see below), whose sum is σ = 5771417081856. Its totient is φ = 733063052736.

The previous prime is 2216643046441. The next prime is 2216643046523. The reversal of 2216643046512 is 2156403466122.

It is a happy number.

It is a super-2 number, since 2×2216643046512² (a number of 25 digits) contains 22 as substring.

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, 181805178 + ... + 181817369.

Almost surely, 2^{2216643046512} is an apocalyptic number.

It is an amenable number.

2216643046512 is an abundant number, since it is smaller than the sum of its proper divisors (3554774035344).

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

2216643046512 is a wasteful number, since it uses less digits than its factorization.

2216643046512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363622685 (or 363622679 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 2216643046512 in words is "two trillion, two hundred sixteen billion, six hundred forty-three million, forty-six thousand, five hundred twelve".