2216588666020 has 48 divisors (see below), whose sum is σ = 4719099490560. Its totient is φ = 874420275456.

The previous prime is 2216588665997. The next prime is 2216588666041. The reversal of 2216588666020 is 206668856122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600744 + ... + 2189536.

It is an arithmetic number, because the mean of its divisors is an integer number (98314572720).

Almost surely, 2^{2216588666020} is an apocalyptic number.

2216588666020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2216588666020 is an abundant number, since it is smaller than the sum of its proper divisors (2502510824540).

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

2216588666020 is a wasteful number, since it uses less digits than its factorization.

2216588666020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589764 (or 1589762 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 2216588666020 in words is "two trillion, two hundred sixteen billion, five hundred eighty-eight million, six hundred sixty-six thousand, twenty".