164103725 has 12 divisors (see below), whose sum is σ = 206826420. Its totient is φ = 129129600.

The previous prime is 164103707. The next prime is 164103749. The reversal of 164103725 is 527301461.

It can be written as a sum of positive squares in 6 ways, for example, as 724201 + 163379524 = 851^2 + 12782^2 .

It is not a de Polignac number, because 164103725 - 2⁶ = 164103661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52280 + ... + 55329.

It is an arithmetic number, because the mean of its divisors is an integer number (17235535).

Almost surely, 2^164103725 is an apocalyptic number.

It is an amenable number.

164103725 is a deficient number, since it is larger than the sum of its proper divisors (42722695).

164103725 is a wasteful number, since it uses less digits than its factorization.

164103725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107680 (or 107675 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 164103725 is about 12810.2976155904. The cubic root of 164103725 is about 547.4857415162.

The spelling of 164103725 in words is "one hundred sixty-four million, one hundred three thousand, seven hundred twenty-five".