1000001766664 has 16 divisors (see below), whose sum is σ = 1875290943420. Its totient is φ = 499924181760.

The previous prime is 1000001766653. The next prime is 1000001766679. The reversal of 1000001766664 is 4666671000001.

It can be written as a sum of positive squares in 2 ways, for example, as 991932337764 + 8069428900 = 995958^2 + 89830^2 .

It is a super-2 number, since 2×1000001766664² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9532269 + ... + 9636604.

Almost surely, 2^{1000001766664} is an apocalyptic number.

It is an amenable number.

1000001766664 is a deficient number, since it is larger than the sum of its proper divisors (875289176756).

1000001766664 is a wasteful number, since it uses less digits than its factorization.

1000001766664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19175400 (or 19175396 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

Adding to 1000001766664 its reverse (4666671000001), we get a palindrome (5666672766665).

The spelling of 1000001766664 in words is "one trillion, one million, seven hundred sixty-six thousand, six hundred sixty-four".