163230775668 has 192 divisors, whose sum is σ = 436889376000. Its totient is φ = 52680595968.

The previous prime is 163230775667. The next prime is 163230775733. The reversal of 163230775668 is 866577032361.

163230775668 is a `hidden beast` number, since 1 + 6 + 3 + 2 + 3 + 0 + 77 + 566 + 8 = 666.

163230775668 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163230775668² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163230775667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247694323 + ... + 247694981.

It is an arithmetic number, because the mean of its divisors is an integer number (2275465500).

Almost surely, 2^163230775668 is an apocalyptic number.

163230775668 is a gapful number since it is divisible by the number (18) 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 163230775668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218444688000).

163230775668 is an abundant number, since it is smaller than the sum of its proper divisors (273658600332).

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

163230775668 is a wasteful number, since it uses less digits than its factorization.

163230775668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 163230775668 in words is "one hundred sixty-three billion, two hundred thirty million, seven hundred seventy-five thousand, six hundred sixty-eight".