1604288133 has 32 divisors (see below), whose sum is σ = 2756817920. Its totient is φ = 903046320.

The previous prime is 1604288089. The next prime is 1604288137. The reversal of 1604288133 is 3318824061.

It is not a de Polignac number, because 1604288133 - 2⁸ = 1604287877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604288137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50683 + ... + 76008.

It is an arithmetic number, because the mean of its divisors is an integer number (86150560).

Almost surely, 2^1604288133 is an apocalyptic number.

It is an amenable number.

1604288133 is a deficient number, since it is larger than the sum of its proper divisors (1152529787).

1604288133 is a wasteful number, since it uses less digits than its factorization.

1604288133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126774 (or 126768 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1604288133 is about 40053.5657963183. The cubic root of 1604288133 is about 1170.6510446292.

The spelling of 1604288133 in words is "one billion, six hundred four million, two hundred eighty-eight thousand, one hundred thirty-three".