2204534446646 has 16 divisors (see below), whose sum is σ = 3779634471840. Its totient is φ = 944692336320.

The previous prime is 2204534446591. The next prime is 2204534446663. The reversal of 2204534446646 is 6466444354022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2204534446594 and 2204534446603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8884991 + ... + 9129738.

It is an arithmetic number, because the mean of its divisors is an integer number (236227154490).

Almost surely, 2^{2204534446646} is an apocalyptic number.

2204534446646 is a deficient number, since it is larger than the sum of its proper divisors (1575100025194).

2204534446646 is a wasteful number, since it uses less digits than its factorization.

2204534446646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18023479.

The product of its (nonzero) digits is 13271040, while the sum is 50.

The spelling of 2204534446646 in words is "two trillion, two hundred four billion, five hundred thirty-four million, four hundred forty-six thousand, six hundred forty-six".