10646444167 has 4 divisors (see below), whose sum is σ = 10648574640. Its totient is φ = 10644313696.

The previous prime is 10646444161. The next prime is 10646444177. The reversal of 10646444167 is 76144464601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76144464601 = 17 ⋅4479086153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10646444167 is a prime.

It is a super-2 number, since 2×10646444167² (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 (10646444161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057723 + ... + 1067740.

It is an arithmetic number, because the mean of its divisors is an integer number (2662143660).

Almost surely, 2^10646444167 is an apocalyptic number.

10646444167 is a deficient number, since it is larger than the sum of its proper divisors (2130473).

10646444167 is an equidigital number, since it uses as much as digits as its factorization.

10646444167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130472.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 10646444167 in words is "ten billion, six hundred forty-six million, four hundred forty-four thousand, one hundred sixty-seven".