10666143708 has 72 divisors (see below), whose sum is σ = 27520300416. Its totient is φ = 3212737440.

The previous prime is 10666143707. The next prime is 10666143713. The reversal of 10666143708 is 80734166601.

It is a super-2 number, since 2×10666143708² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10666143708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666143701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220491 + ... + 264477.

Almost surely, 2^10666143708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10666143708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13760150208).

10666143708 is an abundant number, since it is smaller than the sum of its proper divisors (16854156708).

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

10666143708 is a wasteful number, since it uses less digits than its factorization.

10666143708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44183 (or 44170 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 10666143708 in words is "ten billion, six hundred sixty-six million, one hundred forty-three thousand, seven hundred eight".