164156125 has 24 divisors (see below), whose sum is σ = 238323384. Its totient is φ = 112560000.

The previous prime is 164156119. The next prime is 164156137. The reversal of 164156125 is 521651461.

It can be written as a sum of positive squares in 4 ways, for example, as 14607684 + 149548441 = 3822^2 + 12229^2 .

It is not a de Polignac number, because 164156125 - 2¹³ = 164147933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7276 + ... + 19525.

It is an arithmetic number, because the mean of its divisors is an integer number (9930141).

Almost surely, 2^164156125 is an apocalyptic number.

It is an amenable number.

164156125 is a deficient number, since it is larger than the sum of its proper divisors (74167259).

164156125 is an equidigital number, since it uses as much as digits as its factorization.

164156125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26830 (or 26813 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 164156125 is about 12812.3426819610. The cubic root of 164156125 is about 547.5440079163.

The spelling of 164156125 in words is "one hundred sixty-four million, one hundred fifty-six thousand, one hundred twenty-five".