164244125 has 8 divisors (see below), whose sum is σ = 204976824. Its totient is φ = 131395200.

The previous prime is 164244121. The next prime is 164244131. The reversal of 164244125 is 521442461.

164244125 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 4 ways, for example, as 1503076 + 162741049 = 1226^2 + 12757^2 .

It is not a de Polignac number, because 164244125 - 2² = 164244121 is a prime.

It is a super-2 number, since 2×164244125² = 53952265194031250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164244121) 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, 656852 + ... + 657101.

It is an arithmetic number, because the mean of its divisors is an integer number (25622103).

Almost surely, 2^164244125 is an apocalyptic number.

It is an amenable number.

164244125 is a deficient number, since it is larger than the sum of its proper divisors (40732699).

164244125 is an equidigital number, since it uses as much as digits as its factorization.

164244125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313968 (or 1313958 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 164244125 is about 12815.7764103467. The cubic root of 164244125 is about 547.6418319953.

Adding to 164244125 its reverse (521442461), we get a palindrome (685686586).

The spelling of 164244125 in words is "one hundred sixty-four million, two hundred forty-four thousand, one hundred twenty-five".