2216656544210 has 16 divisors (see below), whose sum is σ = 4097819125656. Its totient is φ = 862698763008.

The previous prime is 2216656544183. The next prime is 2216656544251. The reversal of 2216656544210 is 124456566122.

It can be written as a sum of positive squares in 4 ways, for example, as 1522699236529 + 693957307681 = 1233977^2 + 833041^2 .

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, 2995481447 + ... + 2995482186.

Almost surely, 2^{2216656544210} is an apocalyptic number.

2216656544210 is a deficient number, since it is larger than the sum of its proper divisors (1881162581446).

2216656544210 is a wasteful number, since it uses less digits than its factorization.

2216656544210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990963677.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 2216656544210 in words is "two trillion, two hundred sixteen billion, six hundred fifty-six million, five hundred forty-four thousand, two hundred ten".