164512242325325 has 12 divisors (see below), whose sum is σ = 203997601621440. Its totient is φ = 131608231835760.

The previous prime is 164512242325273. The next prime is 164512242325339. The reversal of 164512242325325 is 523523242215461.

It is not a de Polignac number, because 164512242325325 - 2²⁰ = 164512241276749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164512242325325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36899765 + ... + 41117114.

It is an arithmetic number, because the mean of its divisors is an integer number (16999800135120).

Almost surely, 2^{164512242325325} is an apocalyptic number.

It is an amenable number.

164512242325325 is a deficient number, since it is larger than the sum of its proper divisors (39485359296115).

164512242325325 is an equidigital number, since it uses as much as digits as its factorization.

164512242325325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78101236 (or 78101231 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 47.

The spelling of 164512242325325 in words is "one hundred sixty-four trillion, five hundred twelve billion, two hundred forty-two million, three hundred twenty-five thousand, three hundred twenty-five".