1668083 has 2 divisors, whose sum is σ = 1668084. Its totient is φ = 1668082.

The previous prime is 1668061. The next prime is 1668089. The reversal of 1668083 is 3808661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1668083 - 2⁶ = 1668019 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1668089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834041 + 834042.

It is an arithmetic number, because the mean of its divisors is an integer number (834042).

2^1668083 is an apocalyptic number.

1668083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1668083 is an equidigital number, since it uses as much as digits as its factorization.

1668083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1668083 is about 1291.5428757885. The cubic root of 1668083 is about 118.5966856177.

Subtracting from 1668083 its sum of digits (32), we obtain a triangular number (1668051 = T₁₈₂₆).

The spelling of 1668083 in words is "one million, six hundred sixty-eight thousand, eighty-three".