1608798005 has 8 divisors (see below), whose sum is σ = 1930879392. Its totient is φ = 1286823888.

The previous prime is 1608797959. The next prime is 1608798019. The reversal of 1608798005 is 5008978061.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1608798005 - 2¹² = 1608793909 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 11042 + ... + 57788.

It is an arithmetic number, because the mean of its divisors is an integer number (241359924).

Almost surely, 2^1608798005 is an apocalyptic number.

It is an amenable number.

1608798005 is a deficient number, since it is larger than the sum of its proper divisors (322081387).

1608798005 is an equidigital number, since it uses as much as digits as its factorization.

1608798005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53635.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 1608798005 is about 40109.8242953020. The cubic root of 1608798005 is about 1171.7469714047.

The spelling of 1608798005 in words is "one billion, six hundred eight million, seven hundred ninety-eight thousand, five".