164213683 has 2 divisors, whose sum is σ = 164213684. Its totient is φ = 164213682.

The previous prime is 164213681. The next prime is 164213729. The reversal of 164213683 is 386312461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164213683 - 2¹ = 164213681 is a prime.

It is a super-2 number, since 2×164213683² = 53932267368848978, which contains 22 as substring.

Together with 164213681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (164213681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82106841 + 82106842.

It is an arithmetic number, because the mean of its divisors is an integer number (82106842).

Almost surely, 2^164213683 is an apocalyptic number.

164213683 is a deficient number, since it is larger than the sum of its proper divisors (1).

164213683 is an equidigital number, since it uses as much as digits as its factorization.

164213683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 164213683 is about 12814.5886785335. The cubic root of 164213683 is about 547.6079954877.

The spelling of 164213683 in words is "one hundred sixty-four million, two hundred thirteen thousand, six hundred eighty-three".