129866382260160 has 1344 divisors, whose sum is σ = 552239173204992. Its totient is φ = 25538007269376.

The previous prime is 129866382260137. The next prime is 129866382260161. The reversal of 129866382260160 is 61062283668921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 129866382260094 and 129866382260103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129866382260161) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1070710879 + ... + 1070832161.

It is an arithmetic number, because the mean of its divisors is an integer number (410892241968).

Almost surely, 2^{129866382260160} is an apocalyptic number.

129866382260160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129866382260160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276119586602496).

129866382260160 is an abundant number, since it is smaller than the sum of its proper divisors (422372790944832).

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

129866382260160 is a wasteful number, since it uses less digits than its factorization.

129866382260160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121450 (or 121433 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 129866382260160 in words is "one hundred twenty-nine trillion, eight hundred sixty-six billion, three hundred eighty-two million, two hundred sixty thousand, one hundred sixty".