163427374500 has 192 divisors, whose sum is σ = 521198496000. Its totient is φ = 39546163200.

The previous prime is 163427374493. The next prime is 163427374501. The reversal of 163427374500 is 5473724361.

It is not an unprimeable number, because it can be changed into a prime (163427374501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1079476 + ... + 1221524.

It is an arithmetic number, because the mean of its divisors is an integer number (2714575500).

Almost surely, 2^163427374500 is an apocalyptic number.

163427374500 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 163427374500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260599248000).

163427374500 is an abundant number, since it is smaller than the sum of its proper divisors (357771121500).

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

163427374500 is a wasteful number, since it uses less digits than its factorization.

163427374500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142143 (or 142131 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 163427374500 in words is "one hundred sixty-three billion, four hundred twenty-seven million, three hundred seventy-four thousand, five hundred".