222016655067666 has 8 divisors (see below), whose sum is σ = 444033310135344. Its totient is φ = 74005551689220.

The previous prime is 222016655067661. The next prime is 222016655067859. The reversal of 222016655067666 is 666760556610222.

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

222016655067666 is an admirable number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (222016655067661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18501387922300 + ... + 18501387922311.

It is an arithmetic number, because the mean of its divisors is an integer number (55504163766918).

Almost surely, 2^{222016655067666} is an apocalyptic number.

222016655067666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222016655067666 is a wasteful number, since it uses less digits than its factorization.

222016655067666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37002775844616.

The product of its (nonzero) digits is 65318400, while the sum is 60.

The spelling of 222016655067666 in words is "two hundred twenty-two trillion, sixteen billion, six hundred fifty-five million, sixty-seven thousand, six hundred sixty-six".