1944907665336 has 48 divisors (see below), whose sum is σ = 5321761972800. Its totient is φ = 641619021312.

The previous prime is 1944907665319. The next prime is 1944907665383. The reversal of 1944907665336 is 6335667094491.

1944907665336 is a `hidden beast` number, since 1 + 9 + 4 + 4 + 90 + 7 + 6 + 6 + 533 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139233256 + ... + 139247223.

It is an arithmetic number, because the mean of its divisors is an integer number (110870041100).

Almost surely, 2^{1944907665336} is an apocalyptic number.

It is an amenable number.

1944907665336 is an abundant number, since it is smaller than the sum of its proper divisors (3376854307464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1944907665336 is a wasteful number, since it uses less digits than its factorization.

1944907665336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278480588 (or 278480581 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 63.

The spelling of 1944907665336 in words is "one trillion, nine hundred forty-four billion, nine hundred seven million, six hundred sixty-five thousand, three hundred thirty-six".