165468425 has 6 divisors (see below), whose sum is σ = 205180878. Its totient is φ = 132374720.

The previous prime is 165468383. The next prime is 165468439. The reversal of 165468425 is 524864561.

165468425 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 808201 + 164660224 = 899^2 + 12832^2 .

It is not a de Polignac number, because 165468425 - 2¹⁸ = 165206281 is a prime.

It is a Duffinian 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, 3309344 + ... + 3309393.

It is an arithmetic number, because the mean of its divisors is an integer number (34196813).

Almost surely, 2^165468425 is an apocalyptic number.

It is an amenable number.

165468425 is a deficient number, since it is larger than the sum of its proper divisors (39712453).

165468425 is an equidigital number, since it uses as much as digits as its factorization.

165468425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6618747 (or 6618742 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 165468425 is about 12863.4530745053. The cubic root of 165468425 is about 548.9991992937. Note that the first 3 decimals are identical.

The spelling of 165468425 in words is "one hundred sixty-five million, four hundred sixty-eight thousand, four hundred twenty-five".