10666885819 has 2 divisors, whose sum is σ = 10666885820. Its totient is φ = 10666885818.

The previous prime is 10666885811. The next prime is 10666885843. The reversal of 10666885819 is 91858866601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10666885819 - 2³ = 10666885811 is a prime.

It is a super-2 number, since 2×10666885819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10666885811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333442909 + 5333442910.

It is an arithmetic number, because the mean of its divisors is an integer number (5333442910).

Almost surely, 2^10666885819 is an apocalyptic number.

10666885819 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666885819 is an equidigital number, since it uses as much as digits as its factorization.

10666885819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 58.

The spelling of 10666885819 in words is "ten billion, six hundred sixty-six million, eight hundred eighty-five thousand, eight hundred nineteen".