1604345055 has 8 divisors (see below), whose sum is σ = 2566952112. Its totient is φ = 855650688.

The previous prime is 1604345027. The next prime is 1604345081. The reversal of 1604345055 is 5505434061.

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

It is not a de Polignac number, because 1604345055 - 2⁵ = 1604345023 is a prime.

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, 53478154 + ... + 53478183.

It is an arithmetic number, because the mean of its divisors is an integer number (320869014).

Almost surely, 2^1604345055 is an apocalyptic number.

1604345055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1604345055 is a deficient number, since it is larger than the sum of its proper divisors (962607057).

1604345055 is a wasteful number, since it uses less digits than its factorization.

1604345055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106956345.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 1604345055 is about 40054.2763634546. The cubic root of 1604345055 is about 1170.6648898168.

The spelling of 1604345055 in words is "one billion, six hundred four million, three hundred forty-five thousand, fifty-five".