10666538319 has 8 divisors (see below), whose sum is σ = 14236406272. Its totient is φ = 7103847960.

The previous prime is 10666538203. The next prime is 10666538321. The reversal of 10666538319 is 91383566601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10666538319 - 2¹² = 10666534223 is a prime.

It is a super-2 number, since 2×10666538319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666538369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790929 + ... + 1796874.

It is an arithmetic number, because the mean of its divisors is an integer number (1779550784).

Almost surely, 2^10666538319 is an apocalyptic number.

10666538319 is a deficient number, since it is larger than the sum of its proper divisors (3569867953).

10666538319 is an equidigital number, since it uses as much as digits as its factorization.

10666538319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588797.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 10666538319 in words is "ten billion, six hundred sixty-six million, five hundred thirty-eight thousand, three hundred nineteen".