2220168566667 has 8 divisors (see below), whose sum is σ = 3116026058560. Its totient is φ = 1402211726280.

The previous prime is 2220168566659. The next prime is 2220168566689. The reversal of 2220168566667 is 7666658610222.

It is a happy number.

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

It is not a de Polignac number, because 2220168566667 - 2³ = 2220168566659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 38950325731 = 2220168566667 / (2 + 2 + 2 + 0 + 1 + 6 + 8 + 5 + 6 + 6 + 6 + 6 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220168566867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19475162809 + ... + 19475162922.

It is an arithmetic number, because the mean of its divisors is an integer number (389503257320).

Almost surely, 2^{2220168566667} is an apocalyptic number.

2220168566667 is a deficient number, since it is larger than the sum of its proper divisors (895857491893).

2220168566667 is a wasteful number, since it uses less digits than its factorization.

2220168566667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38950325753.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 2220168566667 in words is "two trillion, two hundred twenty billion, one hundred sixty-eight million, five hundred sixty-six thousand, six hundred sixty-seven".