168801136 has 20 divisors (see below), whose sum is σ = 373774192. Its totient is φ = 72343296.

The previous prime is 168801103. The next prime is 168801173. The reversal of 168801136 is 631108861.

168801136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753465 + ... + 753688.

Almost surely, 2^168801136 is an apocalyptic number.

168801136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168801136 is an abundant number, since it is smaller than the sum of its proper divisors (204973056).

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

168801136 is a wasteful number, since it uses less digits than its factorization.

168801136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507168 (or 1507162 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 168801136 is about 12992.3491332399. The cubic root of 168801136 is about 552.6605374210.

Adding to 168801136 its reverse (631108861), we get a palindrome (799909997).

The spelling of 168801136 in words is "one hundred sixty-eight million, eight hundred one thousand, one hundred thirty-six".