1666483 has 8 divisors (see below), whose sum is σ = 2051168. Its totient is φ = 1318464.

The previous prime is 1666481. The next prime is 1666487. The reversal of 1666483 is 3846661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1666483 - 2¹ = 1666481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1666481) 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 in 7 ways as a sum of consecutive naturals, for example, 9066 + ... + 9247.

It is an arithmetic number, because the mean of its divisors is an integer number (256396).

2^1666483 is an apocalyptic number.

1666483 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1666483 is a deficient number, since it is larger than the sum of its proper divisors (384685).

1666483 is a wasteful number, since it uses less digits than its factorization.

1666483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18333.

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

The square root of 1666483 is about 1290.9233129818. The cubic root of 1666483 is about 118.5587547714.

The spelling of 1666483 in words is "one million, six hundred sixty-six thousand, four hundred eighty-three".