168404880 has 160 divisors (see below), whose sum is σ = 607104000. Its totient is φ = 37817856.

The previous prime is 168404879. The next prime is 168404911. The reversal of 168404880 is 88404861.

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 31 ways as a sum of consecutive naturals, for example, 98271 + ... + 99969.

It is an arithmetic number, because the mean of its divisors is an integer number (3794400).

Almost surely, 2^168404880 is an apocalyptic number.

168404880 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 168404880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303552000).

168404880 is an abundant number, since it is smaller than the sum of its proper divisors (438699120).

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

168404880 is a wasteful number, since it uses less digits than its factorization.

168404880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 168404880 is about 12977.0905830236. The cubic root of 168404880 is about 552.2277468120.

The spelling of 168404880 in words is "one hundred sixty-eight million, four hundred four thousand, eight hundred eighty".