4166444420446 has 128 divisors (see below), whose sum is σ = 8133493948416. Its totient is φ = 1553654753280.

The previous prime is 4166444420441. The next prime is 4166444420447. The reversal of 4166444420446 is 6440244446614.

4166444420446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4166444420446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166444420441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159297306 + ... + 159323458.

It is an arithmetic number, because the mean of its divisors is an integer number (63542921472).

Almost surely, 2^{4166444420446} is an apocalyptic number.

4166444420446 is a deficient number, since it is larger than the sum of its proper divisors (3967049527970).

4166444420446 is a wasteful number, since it uses less digits than its factorization.

4166444420446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26666.

The product of its (nonzero) digits is 7077888, while the sum is 49.

The spelling of 4166444420446 in words is "four trillion, one hundred sixty-six billion, four hundred forty-four million, four hundred twenty thousand, four hundred forty-six".