2003066506 has 16 divisors (see below), whose sum is σ = 3513685824. Its totient is φ = 838492704.

The previous prime is 2003066501. The next prime is 2003066537. The reversal of 2003066506 is 6056603002.

It is not an unprimeable number, because it can be changed into a prime (2003066501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663075 + ... + 1664278.

It is an arithmetic number, because the mean of its divisors is an integer number (219605364).

Almost surely, 2^2003066506 is an apocalyptic number.

2003066506 is a deficient number, since it is larger than the sum of its proper divisors (1510619318).

2003066506 is a wasteful number, since it uses less digits than its factorization.

2003066506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327405.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2003066506 is about 44755.6309976745. The cubic root of 2003066506 is about 1260.5646469843.

Adding to 2003066506 its reverse (6056603002), we get a palindrome (8059669508).

The spelling of 2003066506 in words is "two billion, three million, sixty-six thousand, five hundred six".