10646675691 has 4 divisors (see below), whose sum is σ = 14195567592. Its totient is φ = 7097783792.

The previous prime is 10646675603. The next prime is 10646675719. The reversal of 10646675691 is 19657664601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10646675691 - 2¹¹ = 10646673643 is a prime.

It is a super-2 number, since 2×10646675691² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10646675591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774445946 + ... + 1774445951.

It is an arithmetic number, because the mean of its divisors is an integer number (3548891898).

Almost surely, 2^10646675691 is an apocalyptic number.

10646675691 is a deficient number, since it is larger than the sum of its proper divisors (3548891901).

10646675691 is an equidigital number, since it uses as much as digits as its factorization.

10646675691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548891900.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 10646675691 in words is "ten billion, six hundred forty-six million, six hundred seventy-five thousand, six hundred ninety-one".