164343421301325 has 48 divisors (see below), whose sum is σ = 318923532051840. Its totient is φ = 73097923288320.

The previous prime is 164343421301321. The next prime is 164343421301363. The reversal of 164343421301325 is 523103124343461.

It is not a de Polignac number, because 164343421301325 - 2² = 164343421301321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164343421301321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4230184470 + ... + 4230223319.

It is an arithmetic number, because the mean of its divisors is an integer number (6644240251080).

Almost surely, 2^{164343421301325} is an apocalyptic number.

164343421301325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164343421301325 is a deficient number, since it is larger than the sum of its proper divisors (154580110750515).

164343421301325 is a wasteful number, since it uses less digits than its factorization.

164343421301325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460407846 (or 8460407841 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 164343421301325 its reverse (523103124343461), we get a palindrome (687446545644786).

The spelling of 164343421301325 in words is "one hundred sixty-four trillion, three hundred forty-three billion, four hundred twenty-one million, three hundred one thousand, three hundred twenty-five".