164383633 has 2 divisors, whose sum is σ = 164383634. Its totient is φ = 164383632.

The previous prime is 164383631. The next prime is 164383643. The reversal of 164383633 is 336383461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160351569 + 4032064 = 12663^2 + 2008^2 .

It is an emirp because it is prime and its reverse (336383461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164383633 - 2¹ = 164383631 is a prime.

Together with 164383631, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 164383592 and 164383601.

It is not a weakly prime, because it can be changed into another prime (164383631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82191816 + 82191817.

It is an arithmetic number, because the mean of its divisors is an integer number (82191817).

Almost surely, 2^164383633 is an apocalyptic number.

It is an amenable number.

164383633 is a deficient number, since it is larger than the sum of its proper divisors (1).

164383633 is an equidigital number, since it uses as much as digits as its factorization.

164383633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 37.

The square root of 164383633 is about 12821.2180778583. The cubic root of 164383633 is about 547.7968427058.

The spelling of 164383633 in words is "one hundred sixty-four million, three hundred eighty-three thousand, six hundred thirty-three".