1604322206644 has 48 divisors (see below), whose sum is σ = 2959676104000. Its totient is φ = 758825438976.

The previous prime is 1604322206639. The next prime is 1604322206647. The reversal of 1604322206644 is 4466022234061.

It is a junction number, because it is equal to n+sod(n) for n = 1604322206597 and 1604322206606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604322206647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212517382 + ... + 212524930.

Almost surely, 2^{1604322206644} is an apocalyptic number.

It is an amenable number.

1604322206644 is a deficient number, since it is larger than the sum of its proper divisors (1355353897356).

1604322206644 is a wasteful number, since it uses less digits than its factorization.

1604322206644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312 (or 11310 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 1604322206644 in words is "one trillion, six hundred four billion, three hundred twenty-two million, two hundred six thousand, six hundred forty-four".