167128625 has 16 divisors (see below), whose sum is σ = 209139840. Its totient is φ = 133342000.

The previous prime is 167128607. The next prime is 167128673. The reversal of 167128625 is 526821761.

It is not a de Polignac number, because 167128625 - 2¹⁴ = 167112241 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50780 + ... + 53970.

It is an arithmetic number, because the mean of its divisors is an integer number (13071240).

Almost surely, 2^167128625 is an apocalyptic number.

It is an amenable number.

167128625 is a deficient number, since it is larger than the sum of its proper divisors (42011215).

167128625 is an equidigital number, since it uses as much as digits as its factorization.

167128625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625 (or 3615 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 167128625 is about 12927.8236760872. The cubic root of 167128625 is about 550.8291900411.

The spelling of 167128625 in words is "one hundred sixty-seven million, one hundred twenty-eight thousand, six hundred twenty-five".