2215056664116 has 24 divisors (see below), whose sum is σ = 5742739499840. Its totient is φ = 738352221336.

The previous prime is 2215056664097. The next prime is 2215056664153. The reversal of 2215056664116 is 6114666505122.

It is a super-2 number, since 2×2215056664116² (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, 10254891856 + ... + 10254892071.

Almost surely, 2^{2215056664116} is an apocalyptic number.

It is an amenable number.

2215056664116 is an abundant number, since it is smaller than the sum of its proper divisors (3527682835724).

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

2215056664116 is a wasteful number, since it uses less digits than its factorization.

2215056664116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20509783940 (or 20509783932 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 2215056664116 in words is "two trillion, two hundred fifteen billion, fifty-six million, six hundred sixty-four thousand, one hundred sixteen".