164340434252325 has 24 divisors (see below), whose sum is σ = 272488055308000. Its totient is φ = 87397090522560.

The previous prime is 164340434252279. The next prime is 164340434252333. The reversal of 164340434252325 is 523252434043461.

It is a happy number.

It is not a de Polignac number, because 164340434252325 - 2⁶ = 164340434252261 is a prime.

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, 3139237135 + ... + 3139289484.

Almost surely, 2^{164340434252325} is an apocalyptic number.

164340434252325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164340434252325 is a deficient number, since it is larger than the sum of its proper divisors (108147621055675).

164340434252325 is a wasteful number, since it uses less digits than its factorization.

164340434252325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278526981 (or 6278526976 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 48.

Adding to 164340434252325 its reverse (523252434043461), we get a palindrome (687592868295786).

The spelling of 164340434252325 in words is "one hundred sixty-four trillion, three hundred forty billion, four hundred thirty-four million, two hundred fifty-two thousand, three hundred twenty-five".