1001668351003 has 2 divisors, whose sum is σ = 1001668351004. Its totient is φ = 1001668351002.

The previous prime is 1001668350983. The next prime is 1001668351009. The reversal of 1001668351003 is 3001538661001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001668351003 - 2³³ = 993078416411 is a prime.

It is a super-2 number, since 2×1001668351003² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001668351003.

It is not a weakly prime, because it can be changed into another prime (1001668351009) by changing a digit.

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 as a sum of consecutive naturals, namely, 500834175501 + 500834175502.

It is an arithmetic number, because the mean of its divisors is an integer number (500834175502).

Almost surely, 2^{1001668351003} is an apocalyptic number.

1001668351003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001668351003 is an equidigital number, since it uses as much as digits as its factorization.

1001668351003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 1001668351003 in words is "one trillion, one billion, six hundred sixty-eight million, three hundred fifty-one thousand, three".