1604332564 has 48 divisors (see below), whose sum is σ = 3003033600. Its totient is φ = 747765216.

The previous prime is 1604332559. The next prime is 1604332571. The reversal of 1604332564 is 4652334061.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2642749 + ... + 2643355.

It is an arithmetic number, because the mean of its divisors is an integer number (62563200).

Almost surely, 2^1604332564 is an apocalyptic number.

It is an amenable number.

1604332564 is a deficient number, since it is larger than the sum of its proper divisors (1398701036).

1604332564 is a wasteful number, since it uses less digits than its factorization.

1604332564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 1604332564 is about 40054.1204372284. The cubic root of 1604332564 is about 1170.6618516480.

The spelling of 1604332564 in words is "one billion, six hundred four million, three hundred thirty-two thousand, five hundred sixty-four".