168875280 has 480 divisors, whose sum is σ = 721453824. Its totient is φ = 35831808.

The previous prime is 168875279. The next prime is 168875281. The reversal of 168875280 is 82578861.

It is an interprime number because it is at equal distance from previous prime (168875279) and next prime (168875281).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168875281) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2313324 + ... + 2313396.

Almost surely, 2^168875280 is an apocalyptic number.

168875280 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 168875280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360726912).

168875280 is an abundant number, since it is smaller than the sum of its proper divisors (552578544).

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

168875280 is a wasteful number, since it uses less digits than its factorization.

168875280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 168875280 is about 12995.2021915782. The cubic root of 168875280 is about 552.7414422179.

The spelling of 168875280 in words is "one hundred sixty-eight million, eight hundred seventy-five thousand, two hundred eighty".