160685825 has 6 divisors (see below), whose sum is σ = 199250454. Its totient is φ = 128548640.

The previous prime is 160685801. The next prime is 160685873. The reversal of 160685825 is 528586061.

160685825 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 3 ways, for example, as 29170801 + 131515024 = 5401^2 + 11468^2 .

It is not a de Polignac number, because 160685825 - 2¹⁰ = 160684801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3213692 + ... + 3213741.

It is an arithmetic number, because the mean of its divisors is an integer number (33208409).

Almost surely, 2^160685825 is an apocalyptic number.

It is an amenable number.

160685825 is a deficient number, since it is larger than the sum of its proper divisors (38564629).

160685825 is an equidigital number, since it uses as much as digits as its factorization.

160685825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6427443 (or 6427438 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 160685825 is about 12676.1912655182. The cubic root of 160685825 is about 543.6580907764.

The spelling of 160685825 in words is "one hundred sixty million, six hundred eighty-five thousand, eight hundred twenty-five".