168226560 has 216 divisors, whose sum is σ = 617001840. Its totient is φ = 42172416.

The previous prime is 168226519. The next prime is 168226573. The reversal of 168226560 is 65622861.

168226560 is a `hidden beast` number, since 16 + 82 + 2 + 6 + 560 = 666.

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

It is a congruent number.

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, 195411 + ... + 196269.

It is an arithmetic number, because the mean of its divisors is an integer number (2856490).

Almost surely, 2^168226560 is an apocalyptic number.

168226560 is a gapful number since it is divisible by the number (10) 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 168226560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308500920).

168226560 is an abundant number, since it is smaller than the sum of its proper divisors (448775280).

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

168226560 is a wasteful number, since it uses less digits than its factorization.

168226560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 168226560 is about 12970.2181940012. The cubic root of 168226560 is about 552.0327642808.

The spelling of 168226560 in words is "one hundred sixty-eight million, two hundred twenty-six thousand, five hundred sixty".