168712825 has 12 divisors (see below), whose sum is σ = 209621628. Its totient is φ = 134700800.

The previous prime is 168712823. The next prime is 168712829. The reversal of 168712825 is 528217861.

168712825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 37197801 + 131515024 = 6099^2 + 11468^2 .

It is not a de Polignac number, because 168712825 - 2¹ = 168712823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168712823) 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, 6549 + ... + 19501.

It is an arithmetic number, because the mean of its divisors is an integer number (17468469).

Almost surely, 2^168712825 is an apocalyptic number.

It is an amenable number.

168712825 is a deficient number, since it is larger than the sum of its proper divisors (40908803).

168712825 is a wasteful number, since it uses less digits than its factorization.

168712825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13484 (or 13479 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 168712825 is about 12988.9501115371. The cubic root of 168712825 is about 552.5641428912.

The spelling of 168712825 in words is "one hundred sixty-eight million, seven hundred twelve thousand, eight hundred twenty-five".