4129166666620 has 96 divisors (see below), whose sum is σ = 9308573180928. Its totient is φ = 1532971671552.

The previous prime is 4129166666617. The next prime is 4129166666627. The reversal of 4129166666620 is 266666619214.

4129166666620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129166666627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257052709 + ... + 257068771.

It is an arithmetic number, because the mean of its divisors is an integer number (96964303968).

Almost surely, 2^{4129166666620} 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 4129166666620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4654286590464).

4129166666620 is an abundant number, since it is smaller than the sum of its proper divisors (5179406514308).

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

4129166666620 is a wasteful number, since it uses less digits than its factorization.

4129166666620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26519 (or 26517 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 4129166666620 in words is "four trillion, one hundred twenty-nine billion, one hundred sixty-six million, six hundred sixty-six thousand, six hundred twenty".