2216672168667 has 8 divisors (see below), whose sum is σ = 3224250427200. Its totient is φ = 1343437677960.

The previous prime is 2216672168597. The next prime is 2216672168677. The reversal of 2216672168667 is 7668612766122.

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 2216672168667 - 2¹² = 2216672164571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2216672168667.

It is not an unprimeable number, because it can be changed into a prime (2216672168677) 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, 33585941917 + ... + 33585941982.

It is an arithmetic number, because the mean of its divisors is an integer number (403031303400).

Almost surely, 2^{2216672168667} is an apocalyptic number.

2216672168667 is a deficient number, since it is larger than the sum of its proper divisors (1007578258533).

2216672168667 is a wasteful number, since it uses less digits than its factorization.

2216672168667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67171883913.

The product of its digits is 24385536, while the sum is 60.

The spelling of 2216672168667 in words is "two trillion, two hundred sixteen billion, six hundred seventy-two million, one hundred sixty-eight thousand, six hundred sixty-seven".