10685647466 has 32 divisors (see below), whose sum is σ = 18284788368. Its totient is φ = 4639703040.

The previous prime is 10685647463. The next prime is 10685647477. The reversal of 10685647466 is 66474658601.

10685647466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3421665025 + 7263982441 = 58495^2 + 85229^2 .

It is a super-2 number, since 2×10685647466² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10685647463) 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 in 15 ways as a sum of consecutive naturals, for example, 1481966 + ... + 1489158.

Almost surely, 2^10685647466 is an apocalyptic number.

10685647466 is a deficient number, since it is larger than the sum of its proper divisors (7599140902).

10685647466 is a wasteful number, since it uses less digits than its factorization.

10685647466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 10685647466 in words is "ten billion, six hundred eighty-five million, six hundred forty-seven thousand, four hundred sixty-six".