129663156160 has 336 divisors, whose sum is σ = 348935954400. Its totient is φ = 45753237504.

The previous prime is 129663156157. The next prime is 129663156169. The reversal of 129663156160 is 61651366921.

It is a self number, because there is not a number n which added to its sum of digits gives 129663156160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129663156169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191525742 + ... + 191526418.

Almost surely, 2^129663156160 is an apocalyptic number.

129663156160 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 129663156160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174467977200).

129663156160 is an abundant number, since it is smaller than the sum of its proper divisors (219272798240).

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

129663156160 is a wasteful number, since it uses less digits than its factorization.

129663156160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 129663156160 in words is "one hundred twenty-nine billion, six hundred sixty-three million, one hundred fifty-six thousand, one hundred sixty".