10663422644 has 24 divisors (see below), whose sum is σ = 21903248640. Its totient is φ = 4446523296.

The previous prime is 10663422617. The next prime is 10663422661. The reversal of 10663422644 is 44622436601.

It is a super-2 number, since 2×10663422644² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10663422598 and 10663422607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5145404 + ... + 5147475.

It is an arithmetic number, because the mean of its divisors is an integer number (912635360).

Almost surely, 2^10663422644 is an apocalyptic number.

10663422644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10663422644 is an abundant number, since it is smaller than the sum of its proper divisors (11239825996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10663422644 is a wasteful number, since it uses less digits than its factorization.

10663422644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292927 (or 10292925 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 10663422644 in words is "ten billion, six hundred sixty-three million, four hundred twenty-two thousand, six hundred forty-four".