10644136511066 has 8 divisors (see below), whose sum is σ = 16058494968084. Its totient is φ = 5291304855040.

The previous prime is 10644136511053. The next prime is 10644136511093. The reversal of 10644136511066 is 66011563144601.

It can be written as a sum of positive squares in 2 ways, for example, as 10434056372041 + 210080139025 = 3230179^2 + 458345^2 .

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

It is a super-2 number, since 2×10644136511066² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15381699815 + ... + 15381700506.

Almost surely, 2^{10644136511066} is an apocalyptic number.

10644136511066 is a deficient number, since it is larger than the sum of its proper divisors (5414358457018).

10644136511066 is a wasteful number, since it uses less digits than its factorization.

10644136511066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30763400496.

The product of its (nonzero) digits is 311040, while the sum is 44.

Adding to 10644136511066 its reverse (66011563144601), we get a palindrome (76655699655667).

The spelling of 10644136511066 in words is "ten trillion, six hundred forty-four billion, one hundred thirty-six million, five hundred eleven thousand, sixty-six".