1608433845 has 16 divisors (see below), whose sum is σ = 2643048960. Its totient is φ = 834646464.

The previous prime is 1608433819. The next prime is 1608433867. The reversal of 1608433845 is 5483348061.

It is not a de Polignac number, because 1608433845 - 2¹⁶ = 1608368309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1608433797 and 1608433806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448485 + ... + 1449594.

It is an arithmetic number, because the mean of its divisors is an integer number (165190560).

Almost surely, 2^1608433845 is an apocalyptic number.

1608433845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1608433845 is a deficient number, since it is larger than the sum of its proper divisors (1034615115).

1608433845 is a wasteful number, since it uses less digits than its factorization.

1608433845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898124.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 1608433845 is about 40105.2845021700. The cubic root of 1608433845 is about 1171.6585543431.

The spelling of 1608433845 in words is "one billion, six hundred eight million, four hundred thirty-three thousand, eight hundred forty-five".