1608230403 has 32 divisors (see below), whose sum is σ = 2677409280. Its totient is φ = 946645920.

The previous prime is 1608230387. The next prime is 1608230411. The reversal of 1608230403 is 3040328061.

It is a happy number.

It is not a de Polignac number, because 1608230403 - 2⁴ = 1608230387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1608230423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91533 + ... + 107678.

It is an arithmetic number, because the mean of its divisors is an integer number (83669040).

Almost surely, 2^1608230403 is an apocalyptic number.

1608230403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1608230403 is a deficient number, since it is larger than the sum of its proper divisors (1069178877).

1608230403 is a wasteful number, since it uses less digits than its factorization.

1608230403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199256 (or 199250 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1608230403 is about 40102.7480729189. The cubic root of 1608230403 is about 1171.6091533661.

Adding to 1608230403 its reverse (3040328061), we get a palindrome (4648558464).

The spelling of 1608230403 in words is "one billion, six hundred eight million, two hundred thirty thousand, four hundred three".