168384825 has 90 divisors (see below), whose sum is σ = 363044286. Its totient is φ = 76930560.

The previous prime is 168384757. The next prime is 168384833. The reversal of 168384825 is 528483861.

168384825 is a `hidden beast` number, since 168 + 3 + 8 + 482 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 45441081 + 122943744 = 6741^2 + 11088^2 .

It is not a de Polignac number, because 168384825 - 2¹³ = 168376633 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 98377 + ... + 100073.

Almost surely, 2^168384825 is an apocalyptic number.

168384825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168384825 is an abundant number, since it is smaller than the sum of its proper divisors (194659461).

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

168384825 is a wasteful number, since it uses less digits than its factorization.

168384825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 1712 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 168384825 is about 12976.3178521490. The cubic root of 168384825 is about 552.2058247095.

The spelling of 168384825 in words is "one hundred sixty-eight million, three hundred eighty-four thousand, eight hundred twenty-five".