10663401605644 has 24 divisors (see below), whose sum is σ = 18670313581920. Its totient is φ = 5329026697344.

The previous prime is 10663401605603. The next prime is 10663401605653. The reversal of 10663401605644 is 44650610436601.

It is a super-2 number, since 2×10663401605644² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10663401605594 and 10663401605603.

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, 125691912 + ... + 125776720.

It is an arithmetic number, because the mean of its divisors is an integer number (777929732580).

Almost surely, 2^{10663401605644} is an apocalyptic number.

It is an amenable number.

10663401605644 is a deficient number, since it is larger than the sum of its proper divisors (8006911976276).

10663401605644 is a wasteful number, since it uses less digits than its factorization.

10663401605644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100209 (or 100207 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 10663401605644 in words is "ten trillion, six hundred sixty-three billion, four hundred one million, six hundred five thousand, six hundred forty-four".