168491488 has 96 divisors (see below), whose sum is σ = 394033248. Its totient is φ = 70041600.

The previous prime is 168491483. The next prime is 168491497. The reversal of 168491488 is 884194861.

168491488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168491483) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 221028 + ... + 221788.

It is an arithmetic number, because the mean of its divisors is an integer number (4104513).

Almost surely, 2^168491488 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 168491488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197016624).

168491488 is an abundant number, since it is smaller than the sum of its proper divisors (225541760).

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

168491488 is a wasteful number, since it uses less digits than its factorization.

168491488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 828 counting only the distinct ones).

The product of its digits is 442368, while the sum is 49.

The square root of 168491488 is about 12980.4271116169. The cubic root of 168491488 is about 552.3223979568.

The spelling of 168491488 in words is "one hundred sixty-eight million, four hundred ninety-one thousand, four hundred eighty-eight".