166000633 has 2 divisors, whose sum is σ = 166000634. Its totient is φ = 166000632.

The previous prime is 166000621. The next prime is 166000649. The reversal of 166000633 is 336000661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94225849 + 71774784 = 9707^2 + 8472^2 .

It is a cyclic number.

It is not a de Polignac number, because 166000633 - 2¹³ = 165992441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166000598 and 166000607.

It is not a weakly prime, because it can be changed into another prime (166000433) 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, 83000316 + 83000317.

It is an arithmetic number, because the mean of its divisors is an integer number (83000317).

Almost surely, 2^166000633 is an apocalyptic number.

It is an amenable number.

166000633 is a deficient number, since it is larger than the sum of its proper divisors (1).

166000633 is an equidigital number, since it uses as much as digits as its factorization.

166000633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 166000633 is about 12884.1232918658. The cubic root of 166000633 is about 549.5871645794.

The spelling of 166000633 in words is "one hundred sixty-six million, six hundred thirty-three", and thus it is an aban number.