163130429520 has 640 divisors, whose sum is σ = 618474700800. Its totient is φ = 39857287680.

The previous prime is 163130429507. The next prime is 163130429569. The reversal of 163130429520 is 25924031361.

163130429520 is a `hidden beast` number, since 1 + 63 + 1 + 30 + 42 + 9 + 520 = 666.

It is a super-2 number, since 2×163130429520² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 103050649 + ... + 103052231.

It is an arithmetic number, because the mean of its divisors is an integer number (966366720).

Almost surely, 2^163130429520 is an apocalyptic number.

163130429520 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 163130429520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309237350400).

163130429520 is an abundant number, since it is smaller than the sum of its proper divisors (455344271280).

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

163130429520 is a wasteful number, since it uses less digits than its factorization.

163130429520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 163130429520 in words is "one hundred sixty-three billion, one hundred thirty million, four hundred twenty-nine thousand, five hundred twenty".