10666716654 has 128 divisors (see below), whose sum is σ = 24729255936. Its totient is φ = 3037104000.

The previous prime is 10666716653. The next prime is 10666716659. The reversal of 10666716654 is 45661766601.

It is a super-2 number, since 2×10666716654² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666716653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23137984 + ... + 23138444.

It is an arithmetic number, because the mean of its divisors is an integer number (193197312).

Almost surely, 2^10666716654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10666716654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12364627968).

10666716654 is an abundant number, since it is smaller than the sum of its proper divisors (14062539282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10666716654 is a wasteful number, since it uses less digits than its factorization.

10666716654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814.

The product of its (nonzero) digits is 1088640, while the sum is 48.

It can be divided in two parts, 106667 and 16654, that added together give a palindrome (123321).

The spelling of 10666716654 in words is "ten billion, six hundred sixty-six million, seven hundred sixteen thousand, six hundred fifty-four".