2216656066 has 8 divisors (see below), whose sum is σ = 3329007120. Its totient is φ = 1106987028.

The previous prime is 2216656009. The next prime is 2216656111. The reversal of 2216656066 is 6606566122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2216656066² = 9827128229869192712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668436 + ... + 671743.

It is an arithmetic number, because the mean of its divisors is an integer number (416125890).

Almost surely, 2^2216656066 is an apocalyptic number.

2216656066 is a deficient number, since it is larger than the sum of its proper divisors (1112351054).

2216656066 is a wasteful number, since it uses less digits than its factorization.

2216656066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341008.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 2216656066 is about 47081.3770614242. The cubic root of 2216656066 is about 1303.8654311966.

The spelling of 2216656066 in words is "two billion, two hundred sixteen million, six hundred fifty-six thousand, sixty-six".