164340434202655 has 8 divisors (see below), whose sum is σ = 197225409742272. Its totient is φ = 131461088229408.

The previous prime is 164340434202613. The next prime is 164340434202743. The reversal of 164340434202655 is 556202434043461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164340434202655 - 2³¹ = 164338286719007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164340434202599 and 164340434202608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407327367 + ... + 1407444136.

It is an arithmetic number, because the mean of its divisors is an integer number (24653176217784).

Almost surely, 2^{164340434202655} is an apocalyptic number.

164340434202655 is a deficient number, since it is larger than the sum of its proper divisors (32884975539617).

164340434202655 is a wasteful number, since it uses less digits than its factorization.

164340434202655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814783185.

The product of its (nonzero) digits is 8294400, while the sum is 49.

The spelling of 164340434202655 in words is "one hundred sixty-four trillion, three hundred forty billion, four hundred thirty-four million, two hundred two thousand, six hundred fifty-five".