168011568 has 120 divisors (see below), whose sum is σ = 494123136. Its totient is φ = 53222400.

The previous prime is 168011551. The next prime is 168011593. The reversal of 168011568 is 865110861.

168011568 is a `hidden beast` number, since 1 + 6 + 80 + 11 + 568 = 666.

168011568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271996 + ... + 272612.

Almost surely, 2^168011568 is an apocalyptic number.

168011568 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 168011568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247061568).

168011568 is an abundant number, since it is smaller than the sum of its proper divisors (326111568).

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

168011568 is a wasteful number, since it uses less digits than its factorization.

168011568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 168011568 is about 12961.9276344223. The cubic root of 168011568 is about 551.7974997613.

The spelling of 168011568 in words is "one hundred sixty-eight million, eleven thousand, five hundred sixty-eight".