4066446646642 has 16 divisors (see below), whose sum is σ = 6434754942240. Its totient is φ = 1921996656288.

The previous prime is 4066446646627. The next prime is 4066446646663. The reversal of 4066446646642 is 2466466446604.

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, 117063328 + ... + 117098059.

It is an arithmetic number, because the mean of its divisors is an integer number (402172183890).

Almost surely, 2^{4066446646642} is an apocalyptic number.

4066446646642 is a deficient number, since it is larger than the sum of its proper divisors (2368308295598).

4066446646642 is a wasteful number, since it uses less digits than its factorization.

4066446646642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234161865.

The product of its (nonzero) digits is 95551488, while the sum is 58.

The spelling of 4066446646642 in words is "four trillion, sixty-six billion, four hundred forty-six million, six hundred forty-six thousand, six hundred forty-two".