163149568 has 36 divisors (see below), whose sum is σ = 333257848. Its totient is φ = 79672320.

The previous prime is 163149541. The next prime is 163149577. The reversal of 163149568 is 865941361.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3598 + ... + 18418.

Almost surely, 2^163149568 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 163149568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166628924).

163149568 is an abundant number, since it is smaller than the sum of its proper divisors (170108280).

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

163149568 is an equidigital number, since it uses as much as digits as its factorization.

163149568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880 (or 14866 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 163149568 is about 12773.0015266577. The cubic root of 163149568 is about 546.4225865228.

The spelling of 163149568 in words is "one hundred sixty-three million, one hundred forty-nine thousand, five hundred sixty-eight".