1608240603 has 4 divisors (see below), whose sum is σ = 2144320808. Its totient is φ = 1072160400.

The previous prime is 1608240587. The next prime is 1608240643. The reversal of 1608240603 is 3060428061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3060428061 = 3 ⋅1020142687.

It is not a de Polignac number, because 1608240603 - 2⁴ = 1608240587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1608240643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268040098 + ... + 268040103.

It is an arithmetic number, because the mean of its divisors is an integer number (536080202).

Almost surely, 2^1608240603 is an apocalyptic number.

1608240603 is a deficient number, since it is larger than the sum of its proper divisors (536080205).

1608240603 is an equidigital number, since it uses as much as digits as its factorization.

1608240603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536080204.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1608240603 is about 40102.8752460469. The cubic root of 1608240603 is about 1171.6116302890.

Adding to 1608240603 its reverse (3060428061), we get a palindrome (4668668664).

The spelling of 1608240603 in words is "one billion, six hundred eight million, two hundred forty thousand, six hundred three".