10645661166433 has 8 divisors (see below), whose sum is σ = 10647115973352. Its totient is φ = 10644206491776.

The previous prime is 10645661166419. The next prime is 10645661166509. The reversal of 10645661166433 is 33466116654601.

10645661166433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1115425362769 + 9530235803664 = 1056137^2 + 3087108^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10645661166433 - 2³³ = 10637071231841 is a prime.

It is a super-2 number, since 2×10645661166433² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10645661166533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445096591 + ... + 445120507.

It is an arithmetic number, because the mean of its divisors is an integer number (1330889496669).

Almost surely, 2^{10645661166433} is an apocalyptic number.

It is an amenable number.

10645661166433 is a deficient number, since it is larger than the sum of its proper divisors (1454806919).

10645661166433 is a wasteful number, since it uses less digits than its factorization.

10645661166433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66131.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 10645661166433 in words is "ten trillion, six hundred forty-five billion, six hundred sixty-one million, one hundred sixty-six thousand, four hundred thirty-three".