168457248 has 72 divisors (see below), whose sum is σ = 480697308. Its totient is φ = 55959552.

The previous prime is 168457241. The next prime is 168457279. The reversal of 168457248 is 842754861.

It can be written as a sum of positive squares in 2 ways, for example, as 165173904 + 3283344 = 12852^2 + 1812^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (168457241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100836 + ... + 102492.

Almost surely, 2^168457248 is an apocalyptic number.

168457248 is a gapful number since it is divisible by the number (18) 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 168457248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240348654).

168457248 is an abundant number, since it is smaller than the sum of its proper divisors (312240060).

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

168457248 is a wasteful number, since it uses less digits than its factorization.

168457248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026 (or 2015 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 168457248 is about 12979.1081357696. The cubic root of 168457248 is about 552.2849820210.

The spelling of 168457248 in words is "one hundred sixty-eight million, four hundred fifty-seven thousand, two hundred forty-eight".