163055568 has 160 divisors (see below), whose sum is σ = 506217600. Its totient is φ = 44679168.

The previous prime is 163055561. The next prime is 163055573. The reversal of 163055568 is 865550361.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163055561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201148 + ... + 201956.

It is an arithmetic number, because the mean of its divisors is an integer number (3163860).

Almost surely, 2^163055568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163055568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253108800).

163055568 is an abundant number, since it is smaller than the sum of its proper divisors (343162032).

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

163055568 is a wasteful number, since it uses less digits than its factorization.

163055568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 163055568 is about 12769.3213601977. The cubic root of 163055568 is about 546.3176243676.

The spelling of 163055568 in words is "one hundred sixty-three million, fifty-five thousand, five hundred sixty-eight".