164388683 has 2 divisors, whose sum is σ = 164388684. Its totient is φ = 164388682.

The previous prime is 164388661. The next prime is 164388689. The reversal of 164388683 is 386883461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164388683 - 2¹² = 164384587 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (164388689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82194341 + 82194342.

It is an arithmetic number, because the mean of its divisors is an integer number (82194342).

Almost surely, 2^164388683 is an apocalyptic number.

164388683 is a deficient number, since it is larger than the sum of its proper divisors (1).

164388683 is an equidigital number, since it uses as much as digits as its factorization.

164388683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 47.

The square root of 164388683 is about 12821.4150155121. The cubic root of 164388683 is about 547.8024522377.

The spelling of 164388683 in words is "one hundred sixty-four million, three hundred eighty-eight thousand, six hundred eighty-three".