10666386235 has 4 divisors (see below), whose sum is σ = 12799663488. Its totient is φ = 8533108984.

The previous prime is 10666386223. The next prime is 10666386253. The reversal of 10666386235 is 53268366601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53268366601 = 139 ⋅383225659.

It is a cyclic number.

It is not a de Polignac number, because 10666386235 - 2¹⁷ = 10666255163 is a prime.

It is a super-2 number, since 2×10666386235² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066638619 + ... + 1066638628.

It is an arithmetic number, because the mean of its divisors is an integer number (3199915872).

Almost surely, 2^10666386235 is an apocalyptic number.

10666386235 is a deficient number, since it is larger than the sum of its proper divisors (2133277253).

10666386235 is an equidigital number, since it uses as much as digits as its factorization.

10666386235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133277252.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 10666386235 in words is "ten billion, six hundred sixty-six million, three hundred eighty-six thousand, two hundred thirty-five".