164363125 has 10 divisors (see below), whose sum is σ = 205388942. Its totient is φ = 131490000.

The previous prime is 164363119. The next prime is 164363131. The reversal of 164363125 is 521363461.

It is an interprime number because it is at equal distance from previous prime (164363119) and next prime (164363131).

It can be written as a sum of positive squares in 5 ways, for example, as 44635761 + 119727364 = 6681^2 + 10942^2 .

It is not a de Polignac number, because 164363125 - 2³ = 164363117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 130866 + ... + 132115.

Almost surely, 2^164363125 is an apocalyptic number.

It is an amenable number.

164363125 is a deficient number, since it is larger than the sum of its proper divisors (41025817).

164363125 is an frugal number, since it uses more digits than its factorization.

164363125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263001 (or 262986 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 164363125 is about 12820.4182849079. The cubic root of 164363125 is about 547.7740612714.

The spelling of 164363125 in words is "one hundred sixty-four million, three hundred sixty-three thousand, one hundred twenty-five".