1001044336668 has 12 divisors (see below), whose sum is σ = 2335770118920. Its totient is φ = 333681445552.

The previous prime is 1001044336651. The next prime is 1001044336681. The reversal of 1001044336668 is 8666334401001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1001044336668² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41710180683 + ... + 41710180706.

It is an arithmetic number, because the mean of its divisors is an integer number (194647509910).

Almost surely, 2^{1001044336668} is an apocalyptic number.

It is an amenable number.

1001044336668 is an abundant number, since it is smaller than the sum of its proper divisors (1334725782252).

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

1001044336668 is a wasteful number, since it uses less digits than its factorization.

1001044336668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83420361396 (or 83420361394 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

Adding to 1001044336668 its reverse (8666334401001), we get a palindrome (9667378737669).

The spelling of 1001044336668 in words is "one trillion, one billion, forty-four million, three hundred thirty-six thousand, six hundred sixty-eight".