163157568 has 224 divisors, whose sum is σ = 539276544. Its totient is φ = 42467328.

The previous prime is 163157549. The next prime is 163157569. The reversal of 163157568 is 865751361.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (163157569) 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, 845280 + ... + 845472.

Almost surely, 2^163157568 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 163157568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269638272).

163157568 is an abundant number, since it is smaller than the sum of its proper divisors (376118976).

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

163157568 is a wasteful number, since it uses less digits than its factorization.

163157568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 259 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 163157568 is about 12773.3146833545. The cubic root of 163157568 is about 546.4315176104.

The spelling of 163157568 in words is "one hundred sixty-three million, one hundred fifty-seven thousand, five hundred sixty-eight".