4223206689660 has 768 divisors, whose sum is σ = 15689111961600. Its totient is φ = 922855680000.

The previous prime is 4223206689641. The next prime is 4223206689661. The reversal of 4223206689660 is 669866023224.

It is a happy number.

4223206689660 is a `hidden beast` number, since 422 + 3 + 20 + 66 + 89 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 4223206689597 and 4223206689606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223206689661) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4088292504 + ... + 4088293536.

It is an arithmetic number, because the mean of its divisors is an integer number (20428531200).

Almost surely, 2^{4223206689660} 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 4223206689660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7844555980800).

4223206689660 is an abundant number, since it is smaller than the sum of its proper divisors (11465905271940).

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

4223206689660 is a wasteful number, since it uses less digits than its factorization.

4223206689660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 4223206689660 in words is "four trillion, two hundred twenty-three billion, two hundred six million, six hundred eighty-nine thousand, six hundred sixty".