10668669091 has 2 divisors, whose sum is σ = 10668669092. Its totient is φ = 10668669090.

The previous prime is 10668669083. The next prime is 10668669181. The reversal of 10668669091 is 19096686601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10668669091 - 2³ = 10668669083 is a prime.

It is a super-2 number, since 2×10668669091² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10668669001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5334334545 + 5334334546.

It is an arithmetic number, because the mean of its divisors is an integer number (5334334546).

Almost surely, 2^10668669091 is an apocalyptic number.

10668669091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10668669091 is an equidigital number, since it uses as much as digits as its factorization.

10668669091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 10668669091 in words is "ten billion, six hundred sixty-eight million, six hundred sixty-nine thousand, ninety-one".