1604253063 has 16 divisors (see below), whose sum is σ = 2453605376. Its totient is φ = 913330080.

The previous prime is 1604253041. The next prime is 1604253083. The reversal of 1604253063 is 3603524061.

It is not a de Polignac number, because 1604253063 - 2⁶ = 1604252999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1604253063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604253083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135256 + ... + 146637.

It is an arithmetic number, because the mean of its divisors is an integer number (153350336).

Almost surely, 2^1604253063 is an apocalyptic number.

1604253063 is a deficient number, since it is larger than the sum of its proper divisors (849352313).

1604253063 is a wasteful number, since it uses less digits than its factorization.

1604253063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282174.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1604253063 is about 40053.1280051883. The cubic root of 1604253063 is about 1170.6425143595.

The spelling of 1604253063 in words is "one billion, six hundred four million, two hundred fifty-three thousand, sixty-three".