10644611171643 has 32 divisors (see below), whose sum is σ = 16155557651520. Its totient is φ = 6922838257920.

The previous prime is 10644611171633. The next prime is 10644611171651. The reversal of 10644611171643 is 34617111644601.

It is a happy number.

10644611171643 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 4 + 611 + 17 + 16 + 4 + 3 = 666.

It is not a de Polignac number, because 10644611171643 - 2⁵ = 10644611171611 is a prime.

It is a super-2 number, since 2×10644611171643² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10644611171633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15784321 + ... + 16444877.

It is an arithmetic number, because the mean of its divisors is an integer number (504861176610).

Almost surely, 2^{10644611171643} is an apocalyptic number.

10644611171643 is a deficient number, since it is larger than the sum of its proper divisors (5510946479877).

10644611171643 is a wasteful number, since it uses less digits than its factorization.

10644611171643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675164 (or 675158 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 10644611171643 in words is "ten trillion, six hundred forty-four billion, six hundred eleven million, one hundred seventy-one thousand, six hundred forty-three".