164340434168747 has 2 divisors, whose sum is σ = 164340434168748. Its totient is φ = 164340434168746.

The previous prime is 164340434168681. The next prime is 164340434168749. The reversal of 164340434168747 is 747861434043461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164340434168747 - 2²⁸ = 164340165733291 is a prime.

Together with 164340434168749, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164340434168747.

It is not a weakly prime, because it can be changed into another prime (164340434168749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82170217084373 + 82170217084374.

It is an arithmetic number, because the mean of its divisors is an integer number (82170217084374).

Almost surely, 2^{164340434168747} is an apocalyptic number.

164340434168747 is a deficient number, since it is larger than the sum of its proper divisors (1).

164340434168747 is an equidigital number, since it uses as much as digits as its factorization.

164340434168747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 130056192, while the sum is 62.

The spelling of 164340434168747 in words is "one hundred sixty-four trillion, three hundred forty billion, four hundred thirty-four million, one hundred sixty-eight thousand, seven hundred forty-seven".