164363671 has 2 divisors, whose sum is σ = 164363672. Its totient is φ = 164363670.

The previous prime is 164363669. The next prime is 164363741. The reversal of 164363671 is 176363461.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (176363461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164363671 - 2¹ = 164363669 is a prime.

Together with 164363669, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 164363671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164363621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82181835 + 82181836.

It is an arithmetic number, because the mean of its divisors is an integer number (82181836).

Almost surely, 2^164363671 is an apocalyptic number.

164363671 is a deficient number, since it is larger than the sum of its proper divisors (1).

164363671 is an equidigital number, since it uses as much as digits as its factorization.

164363671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 164363671 is about 12820.4395790472. The cubic root of 164363671 is about 547.7746678233.

The spelling of 164363671 in words is "one hundred sixty-four million, three hundred sixty-three thousand, six hundred seventy-one".