164608825 has 6 divisors (see below), whose sum is σ = 204114974. Its totient is φ = 131687040.

The previous prime is 164608817. The next prime is 164608849. The reversal of 164608825 is 528806461.

It can be written as a sum of positive squares in 3 ways, for example, as 2199289 + 162409536 = 1483^2 + 12744^2 .

It is not a de Polignac number, because 164608825 - 2³ = 164608817 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, 3292152 + ... + 3292201.

Almost surely, 2^164608825 is an apocalyptic number.

It is an amenable number.

164608825 is a deficient number, since it is larger than the sum of its proper divisors (39506149).

164608825 is an equidigital number, since it uses as much as digits as its factorization.

164608825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6584363 (or 6584358 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 164608825 is about 12829.9970771626. The cubic root of 164608825 is about 548.0468740429.

The spelling of 164608825 in words is "one hundred sixty-four million, six hundred eight thousand, eight hundred twenty-five".