164075125 has 8 divisors (see below), whose sum is σ = 204765912. Its totient is φ = 131260000.

The previous prime is 164075117. The next prime is 164075129. The reversal of 164075125 is 521570461.

It can be written as a sum of positive squares in 4 ways, for example, as 31203396 + 132871729 = 5586^2 + 11527^2 .

It is not a de Polignac number, because 164075125 - 2³ = 164075117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164075129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656176 + ... + 656425.

It is an arithmetic number, because the mean of its divisors is an integer number (25595739).

Almost surely, 2^164075125 is an apocalyptic number.

It is an amenable number.

164075125 is a deficient number, since it is larger than the sum of its proper divisors (40690787).

164075125 is an equidigital number, since it uses as much as digits as its factorization.

164075125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312616 (or 1312606 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 164075125 is about 12809.1812775056. The cubic root of 164075125 is about 547.4539343935.

The spelling of 164075125 in words is "one hundred sixty-four million, seventy-five thousand, one hundred twenty-five".