1608368455 has 4 divisors (see below), whose sum is σ = 1930042152. Its totient is φ = 1286694760.

The previous prime is 1608368441. The next prime is 1608368473. The reversal of 1608368455 is 5548638061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5548638061 = 773 ⋅7178057.

It is not a de Polignac number, because 1608368455 - 2⁵ = 1608368423 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 3 ways as a sum of consecutive naturals, for example, 160836841 + ... + 160836850.

It is an arithmetic number, because the mean of its divisors is an integer number (482510538).

Almost surely, 2^1608368455 is an apocalyptic number.

1608368455 is a deficient number, since it is larger than the sum of its proper divisors (321673697).

1608368455 is an equidigital number, since it uses as much as digits as its factorization.

1608368455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321673696.

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 1608368455 is about 40104.4692646593. The cubic root of 1608368455 is about 1171.6426764149.

The spelling of 1608368455 in words is "one billion, six hundred eight million, three hundred sixty-eight thousand, four hundred fifty-five".