163422563850 has 768 divisors, whose sum is σ = 575346508800. Its totient is φ = 33189212160.

The previous prime is 163422563839. The next prime is 163422563851. The reversal of 163422563850 is 58365224361.

163422563850 is a `hidden beast` number, since 1 + 6 + 3 + 4 + 2 + 2 + 5 + 638 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 163422563796 and 163422563805.

It is not an unprimeable number, because it can be changed into a prime (163422563851) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 713635536 + ... + 713635764.

It is an arithmetic number, because the mean of its divisors is an integer number (749149100).

Almost surely, 2^163422563850 is an apocalyptic number.

163422563850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 163422563850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287673254400).

163422563850 is an abundant number, since it is smaller than the sum of its proper divisors (411923944950).

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

163422563850 is a wasteful number, since it uses less digits than its factorization.

163422563850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 163422563850 in words is "one hundred sixty-three billion, four hundred twenty-two million, five hundred sixty-three thousand, eight hundred fifty".