22116645040642 has 8 divisors (see below), whose sum is σ = 33175601082000. Its totient is φ = 11058111346644.

The previous prime is 22116645040597. The next prime is 22116645040643. The reversal of 22116645040642 is 24604054661122.

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

It is not an unprimeable number, because it can be changed into a prime (22116645040643) 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, 105455892 + ... + 105665407.

It is an arithmetic number, because the mean of its divisors is an integer number (4146950135250).

Almost surely, 2^{22116645040642} is an apocalyptic number.

22116645040642 is a deficient number, since it is larger than the sum of its proper divisors (11058956041358).

22116645040642 is a wasteful number, since it uses less digits than its factorization.

22116645040642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211173680.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 22116645040642 in words is "twenty-two trillion, one hundred sixteen billion, six hundred forty-five million, forty thousand, six hundred forty-two".