164316641 has 2 divisors, whose sum is σ = 164316642. Its totient is φ = 164316640.

The previous prime is 164316637. The next prime is 164316673. The reversal of 164316641 is 146613461.

164316641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (164316673) can be obtained adding 164316641 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164224225 + 92416 = 12815^2 + 304^2 .

It is an emirp because it is prime and its reverse (146613461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164316641 - 2² = 164316637 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 164316598 and 164316607.

It is not a weakly prime, because it can be changed into another prime (164316241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82158320 + 82158321.

It is an arithmetic number, because the mean of its divisors is an integer number (82158321).

Almost surely, 2^164316641 is an apocalyptic number.

It is an amenable number.

164316641 is a deficient number, since it is larger than the sum of its proper divisors (1).

164316641 is an equidigital number, since it uses as much as digits as its factorization.

164316641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 164316641 is about 12818.6052673448. The cubic root of 164316641 is about 547.7224172256.

The spelling of 164316641 in words is "one hundred sixty-four million, three hundred sixteen thousand, six hundred forty-one".