10644667006 has 4 divisors (see below), whose sum is σ = 15967000512. Its totient is φ = 5322333502.

The previous prime is 10644667003. The next prime is 10644667021. The reversal of 10644667006 is 60076644601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60076644601 = 89231 ⋅673271.

It is a super-2 number, since 2×10644667006² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10644667006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644667001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2661166750 + ... + 2661166753.

It is an arithmetic number, because the mean of its divisors is an integer number (3991750128).

Almost surely, 2^10644667006 is an apocalyptic number.

10644667006 is a deficient number, since it is larger than the sum of its proper divisors (5322333506).

10644667006 is an equidigital number, since it uses as much as digits as its factorization.

10644667006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322333505.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 10644667006 in words is "ten billion, six hundred forty-four million, six hundred sixty-seven thousand, six".