163227184890 has 256 divisors, whose sum is σ = 498996633600. Its totient is φ = 33187968000.

The previous prime is 163227184889. The next prime is 163227184907. The reversal of 163227184890 is 98481722361.

It is a happy number.

It is a super-2 number, since 2×163227184890² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 28038180 + ... + 28044000.

It is an arithmetic number, because the mean of its divisors is an integer number (1949205600).

Almost surely, 2^163227184890 is an apocalyptic number.

163227184890 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 163227184890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249498316800).

163227184890 is an abundant number, since it is smaller than the sum of its proper divisors (335769448710).

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

163227184890 is a wasteful number, since it uses less digits than its factorization.

163227184890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6109.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 163227184890 in words is "one hundred sixty-three billion, two hundred twenty-seven million, one hundred eighty-four thousand, eight hundred ninety".