10643666724616 has 16 divisors (see below), whose sum is σ = 20645043216300. Its totient is φ = 5138321866944.

The previous prime is 10643666724601. The next prime is 10643666724617. The reversal of 10643666724616 is 61642766634601.

It can be written as a sum of positive squares in 2 ways, for example, as 9808734972100 + 834931752516 = 3131890^2 + 913746^2 .

It is a super-2 number, since 2×10643666724616² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (10643666724617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22938936675 + ... + 22938937138.

Almost surely, 2^{10643666724616} is an apocalyptic number.

It is an amenable number.

10643666724616 is a deficient number, since it is larger than the sum of its proper divisors (10001376491684).

10643666724616 is a wasteful number, since it uses less digits than its factorization.

10643666724616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45877873848 (or 45877873844 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 58.

The spelling of 10643666724616 in words is "ten trillion, six hundred forty-three billion, six hundred sixty-six million, seven hundred twenty-four thousand, six hundred sixteen".