2216665563755 has 8 divisors (see below), whose sum is σ = 2660213042352. Its totient is φ = 1773189540448.

The previous prime is 2216665563731. The next prime is 2216665563767. The reversal of 2216665563755 is 5573655666122.

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

It is a cyclic number.

It is not a de Polignac number, because 2216665563755 - 2¹⁶ = 2216665498219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2216665563694 and 2216665563703.

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, 17795549 + ... + 17919678.

It is an arithmetic number, because the mean of its divisors is an integer number (332526630294).

Almost surely, 2^{2216665563755} is an apocalyptic number.

2216665563755 is a deficient number, since it is larger than the sum of its proper divisors (443547478597).

2216665563755 is a wasteful number, since it uses less digits than its factorization.

2216665563755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35727645.

The product of its digits is 68040000, while the sum is 59.

The spelling of 2216665563755 in words is "two trillion, two hundred sixteen billion, six hundred sixty-five million, five hundred sixty-three thousand, seven hundred fifty-five".